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Finding the Fourth Proportional to 537,079.12, 741,188.22 and 295,380.40

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Solution

The fourth proportional to 537,079.12, 741,188.22 and 295,380.40 is: 407,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,079.12 : 741,188.22 = 295,380.40 : x
  2. Step 2: Convert to fraction form
    537,079.12/741,188.22 = 295,380.40/x
  3. Step 3: Cross multiply
    537,079.12x = 741,188.22 × 295,380.40
  4. Step 4: Simplify right side
    537,079.12x = 218,932,472,898.89
  5. Step 5: Solve for x
    x = 218,932,472,898.89/537,079.12
  6. Step 6: Final answer
    x = 407,635.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.