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Finding the Fourth Proportional to 514,149.94, 709,144.50 and 332,721.89

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Solution

The fourth proportional to 514,149.94, 709,144.50 and 332,721.89 is: 458,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,149.94 : 709,144.50 = 332,721.89 : x
  2. Step 2: Convert to fraction form
    514,149.94/709,144.50 = 332,721.89/x
  3. Step 3: Cross multiply
    514,149.94x = 709,144.50 × 332,721.89
  4. Step 4: Simplify right side
    514,149.94x = 235,947,898,684.38
  5. Step 5: Solve for x
    x = 235,947,898,684.38/514,149.94
  6. Step 6: Final answer
    x = 458,908.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.