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Finding the Fourth Proportional to 625,003.14, 862,574.29 and 353,088.52

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Solution

The fourth proportional to 625,003.14, 862,574.29 and 353,088.52 is: 487,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,003.14 : 862,574.29 = 353,088.52 : x
  2. Step 2: Convert to fraction form
    625,003.14/862,574.29 = 353,088.52/x
  3. Step 3: Cross multiply
    625,003.14x = 862,574.29 × 353,088.52
  4. Step 4: Simplify right side
    625,003.14x = 304,565,077,400.06
  5. Step 5: Solve for x
    x = 304,565,077,400.06/625,003.14
  6. Step 6: Final answer
    x = 487,301.68

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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.