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Finding the Fourth Proportional to 374,126.20, 561,189.30 and 368,221.30

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Solution

The fourth proportional to 374,126.20, 561,189.30 and 368,221.30 is: 552,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,126.20 : 561,189.30 = 368,221.30 : x
  2. Step 2: Convert to fraction form
    374,126.20/561,189.30 = 368,221.30/x
  3. Step 3: Cross multiply
    374,126.20x = 561,189.30 × 368,221.30
  4. Step 4: Simplify right side
    374,126.20x = 206,641,853,592.09
  5. Step 5: Solve for x
    x = 206,641,853,592.09/374,126.20
  6. Step 6: Final answer
    x = 552,331.95

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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.