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Finding the Fourth Proportional to 374,158.38, 561,237.57 and 137,398.62

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Solution

The fourth proportional to 374,158.38, 561,237.57 and 137,398.62 is: 206,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,158.38 : 561,237.57 = 137,398.62 : x
  2. Step 2: Convert to fraction form
    374,158.38/561,237.57 = 137,398.62/x
  3. Step 3: Cross multiply
    374,158.38x = 561,237.57 × 137,398.62
  4. Step 4: Simplify right side
    374,158.38x = 77,113,267,610.15
  5. Step 5: Solve for x
    x = 77,113,267,610.15/374,158.38
  6. Step 6: Final answer
    x = 206,097.93

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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.