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Finding the Fourth Proportional to 374,219.80, 561,329.70 and 224,920.60

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Solution

The fourth proportional to 374,219.80, 561,329.70 and 224,920.60 is: 337,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,219.80 : 561,329.70 = 224,920.60 : x
  2. Step 2: Convert to fraction form
    374,219.80/561,329.70 = 224,920.60/x
  3. Step 3: Cross multiply
    374,219.80x = 561,329.70 × 224,920.60
  4. Step 4: Simplify right side
    374,219.80x = 126,254,612,921.82
  5. Step 5: Solve for x
    x = 126,254,612,921.82/374,219.80
  6. Step 6: Final answer
    x = 337,380.90

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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.