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Finding the Fourth Proportional to 383,134.95, 574,833.71 and 146,545.29

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Solution

The fourth proportional to 383,134.95, 574,833.71 and 146,545.29 is: 219,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,134.95 : 574,833.71 = 146,545.29 : x
  2. Step 2: Convert to fraction form
    383,134.95/574,833.71 = 146,545.29/x
  3. Step 3: Cross multiply
    383,134.95x = 574,833.71 × 146,545.29
  4. Step 4: Simplify right side
    383,134.95x = 84,239,172,733.73
  5. Step 5: Solve for x
    x = 84,239,172,733.73/383,134.95
  6. Step 6: Final answer
    x = 219,868.15

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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.