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Finding the Fourth Proportional to 531,574.98, 797,654.07 and 215,947.14

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Solution

The fourth proportional to 531,574.98, 797,654.07 and 215,947.14 is: 324,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,574.98 : 797,654.07 = 215,947.14 : x
  2. Step 2: Convert to fraction form
    531,574.98/797,654.07 = 215,947.14/x
  3. Step 3: Cross multiply
    531,574.98x = 797,654.07 × 215,947.14
  4. Step 4: Simplify right side
    531,574.98x = 172,251,115,125.86
  5. Step 5: Solve for x
    x = 172,251,115,125.86/531,574.98
  6. Step 6: Final answer
    x = 324,039.17

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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.