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Finding the Fourth Proportional to 486,635.52, 729,977.52 and 187,011.12

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Solution

The fourth proportional to 486,635.52, 729,977.52 and 187,011.12 is: 280,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,635.52 : 729,977.52 = 187,011.12 : x
  2. Step 2: Convert to fraction form
    486,635.52/729,977.52 = 187,011.12/x
  3. Step 3: Cross multiply
    486,635.52x = 729,977.52 × 187,011.12
  4. Step 4: Simplify right side
    486,635.52x = 136,513,913,590.02
  5. Step 5: Solve for x
    x = 136,513,913,590.02/486,635.52
  6. Step 6: Final answer
    x = 280,526.00

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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.