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Finding the Fourth Proportional to 534,337.51, 801,507.87 and 129,528.12

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Solution

The fourth proportional to 534,337.51, 801,507.87 and 129,528.12 is: 194,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,337.51 : 801,507.87 = 129,528.12 : x
  2. Step 2: Convert to fraction form
    534,337.51/801,507.87 = 129,528.12/x
  3. Step 3: Cross multiply
    534,337.51x = 801,507.87 × 129,528.12
  4. Step 4: Simplify right side
    534,337.51x = 103,817,803,558.77
  5. Step 5: Solve for x
    x = 103,817,803,558.77/534,337.51
  6. Step 6: Final answer
    x = 194,292.56

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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.