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Finding the Fourth Proportional to 374,447.20, 561,673.20 and 149,826.40

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Solution

The fourth proportional to 374,447.20, 561,673.20 and 149,826.40 is: 224,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,447.20 : 561,673.20 = 149,826.40 : x
  2. Step 2: Convert to fraction form
    374,447.20/561,673.20 = 149,826.40/x
  3. Step 3: Cross multiply
    374,447.20x = 561,673.20 × 149,826.40
  4. Step 4: Simplify right side
    374,447.20x = 84,153,473,532.48
  5. Step 5: Solve for x
    x = 84,153,473,532.48/374,447.20
  6. Step 6: Final answer
    x = 224,740.56

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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.