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Finding the Fourth Proportional to 584,501.70, 876,752.55 and 479,439.30

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Solution

The fourth proportional to 584,501.70, 876,752.55 and 479,439.30 is: 719,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,501.70 : 876,752.55 = 479,439.30 : x
  2. Step 2: Convert to fraction form
    584,501.70/876,752.55 = 479,439.30/x
  3. Step 3: Cross multiply
    584,501.70x = 876,752.55 × 479,439.30
  4. Step 4: Simplify right side
    584,501.70x = 420,349,628,845.22
  5. Step 5: Solve for x
    x = 420,349,628,845.22/584,501.70
  6. Step 6: Final answer
    x = 719,158.95

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Half scale
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Double scale
Find fourth proportional to 584,502.70, 876,754.05 and 479,440.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.