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Finding the Fourth Proportional to 365,446.80, 547,732.80 and 187,862.40

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Solution

The fourth proportional to 365,446.80, 547,732.80 and 187,862.40 is: 281,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,446.80 : 547,732.80 = 187,862.40 : x
  2. Step 2: Convert to fraction form
    365,446.80/547,732.80 = 187,862.40/x
  3. Step 3: Cross multiply
    365,446.80x = 547,732.80 × 187,862.40
  4. Step 4: Simplify right side
    365,446.80x = 102,898,398,366.72
  5. Step 5: Solve for x
    x = 102,898,398,366.72/365,446.80
  6. Step 6: Final answer
    x = 281,568.75

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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.