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Finding the Fourth Proportional to 637,169.31, 955,632.47 and 187,910.91

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Solution

The fourth proportional to 637,169.31, 955,632.47 and 187,910.91 is: 281,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,169.31 : 955,632.47 = 187,910.91 : x
  2. Step 2: Convert to fraction form
    637,169.31/955,632.47 = 187,910.91/x
  3. Step 3: Cross multiply
    637,169.31x = 955,632.47 × 187,910.91
  4. Step 4: Simplify right side
    637,169.31x = 179,573,766,123.69
  5. Step 5: Solve for x
    x = 179,573,766,123.69/637,169.31
  6. Step 6: Final answer
    x = 281,830.53

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1.5x scale

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.