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Finding the Fourth Proportional to 526,335.68, 789,553.32 and 147,256.52

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Solution

The fourth proportional to 526,335.68, 789,553.32 and 147,256.52 is: 220,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,335.68 : 789,553.32 = 147,256.52 : x
  2. Step 2: Convert to fraction form
    526,335.68/789,553.32 = 147,256.52/x
  3. Step 3: Cross multiply
    526,335.68x = 789,553.32 × 147,256.52
  4. Step 4: Simplify right side
    526,335.68x = 116,266,874,257.65
  5. Step 5: Solve for x
    x = 116,266,874,257.65/526,335.68
  6. Step 6: Final answer
    x = 220,898.71

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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.