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Finding the Fourth Proportional to 584,426.70, 876,640.05 and 560,807.10

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Solution

The fourth proportional to 584,426.70, 876,640.05 and 560,807.10 is: 841,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,426.70 : 876,640.05 = 560,807.10 : x
  2. Step 2: Convert to fraction form
    584,426.70/876,640.05 = 560,807.10/x
  3. Step 3: Cross multiply
    584,426.70x = 876,640.05 × 560,807.10
  4. Step 4: Simplify right side
    584,426.70x = 491,625,964,184.36
  5. Step 5: Solve for x
    x = 491,625,964,184.36/584,426.70
  6. Step 6: Final answer
    x = 841,210.65

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Double scale
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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.