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Finding the Fourth Proportional to 274,019.30, 410,834.55 and 124,331.30

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Solution

The fourth proportional to 274,019.30, 410,834.55 and 124,331.30 is: 186,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,019.30 : 410,834.55 = 124,331.30 : x
  2. Step 2: Convert to fraction form
    274,019.30/410,834.55 = 124,331.30/x
  3. Step 3: Cross multiply
    274,019.30x = 410,834.55 × 124,331.30
  4. Step 4: Simplify right side
    274,019.30x = 51,079,593,686.42
  5. Step 5: Solve for x
    x = 51,079,593,686.42/274,019.30
  6. Step 6: Final answer
    x = 186,408.74

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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.