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Finding the Fourth Proportional to 567,807.24, 851,711.22 and 318,664.20

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Solution

The fourth proportional to 567,807.24, 851,711.22 and 318,664.20 is: 477,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,807.24 : 851,711.22 = 318,664.20 : x
  2. Step 2: Convert to fraction form
    567,807.24/851,711.22 = 318,664.20/x
  3. Step 3: Cross multiply
    567,807.24x = 851,711.22 × 318,664.20
  4. Step 4: Simplify right side
    567,807.24x = 271,409,874,552.32
  5. Step 5: Solve for x
    x = 271,409,874,552.32/567,807.24
  6. Step 6: Final answer
    x = 477,996.50

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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.