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Finding the Fourth Proportional to 374,534.73, 561,799.62 and 149,947.11

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Solution

The fourth proportional to 374,534.73, 561,799.62 and 149,947.11 is: 224,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,534.73 : 561,799.62 = 149,947.11 : x
  2. Step 2: Convert to fraction form
    374,534.73/561,799.62 = 149,947.11/x
  3. Step 3: Cross multiply
    374,534.73x = 561,799.62 × 149,947.11
  4. Step 4: Simplify right side
    374,534.73x = 84,240,229,418.10
  5. Step 5: Solve for x
    x = 84,240,229,418.10/374,534.73
  6. Step 6: Final answer
    x = 224,919.67

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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.