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Finding the Fourth Proportional to 374,503.10, 561,754.65 and 149,898.20

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Solution

The fourth proportional to 374,503.10, 561,754.65 and 149,898.20 is: 224,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,503.10 : 561,754.65 = 149,898.20 : x
  2. Step 2: Convert to fraction form
    374,503.10/561,754.65 = 149,898.20/x
  3. Step 3: Cross multiply
    374,503.10x = 561,754.65 × 149,898.20
  4. Step 4: Simplify right side
    374,503.10x = 84,206,010,876.63
  5. Step 5: Solve for x
    x = 84,206,010,876.63/374,503.10
  6. Step 6: Final answer
    x = 224,847.30

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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.