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Finding the Fourth Proportional to 584,569.20, 876,853.80 and 479,506.80

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Solution

The fourth proportional to 584,569.20, 876,853.80 and 479,506.80 is: 719,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,569.20 : 876,853.80 = 479,506.80 : x
  2. Step 2: Convert to fraction form
    584,569.20/876,853.80 = 479,506.80/x
  3. Step 3: Cross multiply
    584,569.20x = 876,853.80 × 479,506.80
  4. Step 4: Simplify right side
    584,569.20x = 420,457,359,705.84
  5. Step 5: Solve for x
    x = 420,457,359,705.84/584,569.20
  6. Step 6: Final answer
    x = 719,260.20

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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.