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Finding the Fourth Proportional to 534,902.40, 802,353.60 and 519,350.40

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Solution

The fourth proportional to 534,902.40, 802,353.60 and 519,350.40 is: 779,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,902.40 : 802,353.60 = 519,350.40 : x
  2. Step 2: Convert to fraction form
    534,902.40/802,353.60 = 519,350.40/x
  3. Step 3: Cross multiply
    534,902.40x = 802,353.60 × 519,350.40
  4. Step 4: Simplify right side
    534,902.40x = 416,702,663,101.44
  5. Step 5: Solve for x
    x = 416,702,663,101.44/534,902.40
  6. Step 6: Final answer
    x = 779,025.60

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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.