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Finding the Fourth Proportional to 625,017.11, 862,478.84 and 366,904.54

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Solution

The fourth proportional to 625,017.11, 862,478.84 and 366,904.54 is: 506,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,017.11 : 862,478.84 = 366,904.54 : x
  2. Step 2: Convert to fraction form
    625,017.11/862,478.84 = 366,904.54/x
  3. Step 3: Cross multiply
    625,017.11x = 862,478.84 × 366,904.54
  4. Step 4: Simplify right side
    625,017.11x = 316,447,397,130.01
  5. Step 5: Solve for x
    x = 316,447,397,130.01/625,017.11
  6. Step 6: Final answer
    x = 506,301.97

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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.