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Finding the Fourth Proportional to 351,570.38, 527,444.87 and 102,252.38

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Solution

The fourth proportional to 351,570.38, 527,444.87 and 102,252.38 is: 153,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,570.38 : 527,444.87 = 102,252.38 : x
  2. Step 2: Convert to fraction form
    351,570.38/527,444.87 = 102,252.38/x
  3. Step 3: Cross multiply
    351,570.38x = 527,444.87 × 102,252.38
  4. Step 4: Simplify right side
    351,570.38x = 53,932,490,127.80
  5. Step 5: Solve for x
    x = 53,932,490,127.80/351,570.38
  6. Step 6: Final answer
    x = 153,404.54

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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.