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Finding the Fourth Proportional to 581,497.60, 872,246.40 and 498,553.60

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Solution

The fourth proportional to 581,497.60, 872,246.40 and 498,553.60 is: 747,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,497.60 : 872,246.40 = 498,553.60 : x
  2. Step 2: Convert to fraction form
    581,497.60/872,246.40 = 498,553.60/x
  3. Step 3: Cross multiply
    581,497.60x = 872,246.40 × 498,553.60
  4. Step 4: Simplify right side
    581,497.60x = 434,861,582,807.04
  5. Step 5: Solve for x
    x = 434,861,582,807.04/581,497.60
  6. Step 6: Final answer
    x = 747,830.40

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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.