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Finding the Fourth Proportional to 364,793.10, 546,898.05 and 154,257.90

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Solution

The fourth proportional to 364,793.10, 546,898.05 and 154,257.90 is: 231,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,793.10 : 546,898.05 = 154,257.90 : x
  2. Step 2: Convert to fraction form
    364,793.10/546,898.05 = 154,257.90/x
  3. Step 3: Cross multiply
    364,793.10x = 546,898.05 × 154,257.90
  4. Step 4: Simplify right side
    364,793.10x = 84,363,344,707.10
  5. Step 5: Solve for x
    x = 84,363,344,707.10/364,793.10
  6. Step 6: Final answer
    x = 231,263.54

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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.