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Finding the Fourth Proportional to 531,753.50, 797,975.31 and 318,360.62

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Solution

The fourth proportional to 531,753.50, 797,975.31 and 318,360.62 is: 477,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,753.50 : 797,975.31 = 318,360.62 : x
  2. Step 2: Convert to fraction form
    531,753.50/797,975.31 = 318,360.62/x
  3. Step 3: Cross multiply
    531,753.50x = 797,975.31 × 318,360.62
  4. Step 4: Simplify right side
    531,753.50x = 254,043,914,436.29
  5. Step 5: Solve for x
    x = 254,043,914,436.29/531,753.50
  6. Step 6: Final answer
    x = 477,747.52

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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.