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Finding the Fourth Proportional to 518,242.46, 777,429.29 and 202,658.36

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Solution

The fourth proportional to 518,242.46, 777,429.29 and 202,658.36 is: 304,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,242.46 : 777,429.29 = 202,658.36 : x
  2. Step 2: Convert to fraction form
    518,242.46/777,429.29 = 202,658.36/x
  3. Step 3: Cross multiply
    518,242.46x = 777,429.29 × 202,658.36
  4. Step 4: Simplify right side
    518,242.46x = 157,552,541,546.86
  5. Step 5: Solve for x
    x = 157,552,541,546.86/518,242.46
  6. Step 6: Final answer
    x = 304,013.19

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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.