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Finding the Fourth Proportional to 374,452.57, 561,678.86 and 125,134.57

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Solution

The fourth proportional to 374,452.57, 561,678.86 and 125,134.57 is: 187,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,452.57 : 561,678.86 = 125,134.57 : x
  2. Step 2: Convert to fraction form
    374,452.57/561,678.86 = 125,134.57/x
  3. Step 3: Cross multiply
    374,452.57x = 561,678.86 × 125,134.57
  4. Step 4: Simplify right side
    374,452.57x = 70,285,442,624.19
  5. Step 5: Solve for x
    x = 70,285,442,624.19/374,452.57
  6. Step 6: Final answer
    x = 187,701.86

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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.