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Finding the Fourth Proportional to 374,169.26, 561,253.89 and 137,409.50

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Solution

The fourth proportional to 374,169.26, 561,253.89 and 137,409.50 is: 206,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,169.26 : 561,253.89 = 137,409.50 : x
  2. Step 2: Convert to fraction form
    374,169.26/561,253.89 = 137,409.50/x
  3. Step 3: Cross multiply
    374,169.26x = 561,253.89 × 137,409.50
  4. Step 4: Simplify right side
    374,169.26x = 77,121,613,591.69
  5. Step 5: Solve for x
    x = 77,121,613,591.69/374,169.26
  6. Step 6: Final answer
    x = 206,114.25

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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.