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Finding the Fourth Proportional to 625,049.00, 862,516.47 and 353,140.50

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Solution

The fourth proportional to 625,049.00, 862,516.47 and 353,140.50 is: 487,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,049.00 : 862,516.47 = 353,140.50 : x
  2. Step 2: Convert to fraction form
    625,049.00/862,516.47 = 353,140.50/x
  3. Step 3: Cross multiply
    625,049.00x = 862,516.47 × 353,140.50
  4. Step 4: Simplify right side
    625,049.00x = 304,589,497,474.04
  5. Step 5: Solve for x
    x = 304,589,497,474.04/625,049.00
  6. Step 6: Final answer
    x = 487,305.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.