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Finding the Fourth Proportional to 460,319.85, 689,624.42 and 250,134.57

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Solution

The fourth proportional to 460,319.85, 689,624.42 and 250,134.57 is: 374,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,319.85 : 689,624.42 = 250,134.57 : x
  2. Step 2: Convert to fraction form
    460,319.85/689,624.42 = 250,134.57/x
  3. Step 3: Cross multiply
    460,319.85x = 689,624.42 × 250,134.57
  4. Step 4: Simplify right side
    460,319.85x = 172,498,906,507.53
  5. Step 5: Solve for x
    x = 172,498,906,507.53/460,319.85
  6. Step 6: Final answer
    x = 374,737.06

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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.