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Finding the Fourth Proportional to 374,310.60, 561,465.90 and 149,559.90

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Solution

The fourth proportional to 374,310.60, 561,465.90 and 149,559.90 is: 224,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,310.60 : 561,465.90 = 149,559.90 : x
  2. Step 2: Convert to fraction form
    374,310.60/561,465.90 = 149,559.90/x
  3. Step 3: Cross multiply
    374,310.60x = 561,465.90 × 149,559.90
  4. Step 4: Simplify right side
    374,310.60x = 83,972,783,857.41
  5. Step 5: Solve for x
    x = 83,972,783,857.41/374,310.60
  6. Step 6: Final answer
    x = 224,339.85

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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.