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Finding the Fourth Proportional to 531,753.10, 797,125.11 and 212,101.54

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Solution

The fourth proportional to 531,753.10, 797,125.11 and 212,101.54 is: 317,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,753.10 : 797,125.11 = 212,101.54 : x
  2. Step 2: Convert to fraction form
    531,753.10/797,125.11 = 212,101.54/x
  3. Step 3: Cross multiply
    531,753.10x = 797,125.11 × 212,101.54
  4. Step 4: Simplify right side
    531,753.10x = 169,071,463,403.67
  5. Step 5: Solve for x
    x = 169,071,463,403.67/531,753.10
  6. Step 6: Final answer
    x = 317,951.06

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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.