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Finding the Fourth Proportional to 534,712.60, 802,068.90 and 531,026.20

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Solution

The fourth proportional to 534,712.60, 802,068.90 and 531,026.20 is: 796,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,712.60 : 802,068.90 = 531,026.20 : x
  2. Step 2: Convert to fraction form
    534,712.60/802,068.90 = 531,026.20/x
  3. Step 3: Cross multiply
    534,712.60x = 802,068.90 × 531,026.20
  4. Step 4: Simplify right side
    534,712.60x = 425,919,600,105.18
  5. Step 5: Solve for x
    x = 425,919,600,105.18/534,712.60
  6. Step 6: Final answer
    x = 796,539.30

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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.