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Finding the Fourth Proportional to 492,500.52, 679,609.98 and 277,693.38

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Solution

The fourth proportional to 492,500.52, 679,609.98 and 277,693.38 is: 383,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,500.52 : 679,609.98 = 277,693.38 : x
  2. Step 2: Convert to fraction form
    492,500.52/679,609.98 = 277,693.38/x
  3. Step 3: Cross multiply
    492,500.52x = 679,609.98 × 277,693.38
  4. Step 4: Simplify right side
    492,500.52x = 188,723,192,427.93
  5. Step 5: Solve for x
    x = 188,723,192,427.93/492,500.52
  6. Step 6: Final answer
    x = 383,193.89

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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.