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Finding the Fourth Proportional to 356,032.97, 534,180.67 and 187,546.49

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Solution

The fourth proportional to 356,032.97, 534,180.67 and 187,546.49 is: 281,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,032.97 : 534,180.67 = 187,546.49 : x
  2. Step 2: Convert to fraction form
    356,032.97/534,180.67 = 187,546.49/x
  3. Step 3: Cross multiply
    356,032.97x = 534,180.67 × 187,546.49
  4. Step 4: Simplify right side
    356,032.97x = 100,183,709,602.71
  5. Step 5: Solve for x
    x = 100,183,709,602.71/356,032.97
  6. Step 6: Final answer
    x = 281,388.86

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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.