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Finding the Fourth Proportional to 374,326.60, 561,489.90 and 149,794.60

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Solution

The fourth proportional to 374,326.60, 561,489.90 and 149,794.60 is: 224,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,326.60 : 561,489.90 = 149,794.60 : x
  2. Step 2: Convert to fraction form
    374,326.60/561,489.90 = 149,794.60/x
  3. Step 3: Cross multiply
    374,326.60x = 561,489.90 × 149,794.60
  4. Step 4: Simplify right side
    374,326.60x = 84,108,154,974.54
  5. Step 5: Solve for x
    x = 84,108,154,974.54/374,326.60
  6. Step 6: Final answer
    x = 224,691.90

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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.