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Finding the Fourth Proportional to 443,502.70, 612,034.34 and 252,516.18

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Solution

The fourth proportional to 443,502.70, 612,034.34 and 252,516.18 is: 348,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,502.70 : 612,034.34 = 252,516.18 : x
  2. Step 2: Convert to fraction form
    443,502.70/612,034.34 = 252,516.18/x
  3. Step 3: Cross multiply
    443,502.70x = 612,034.34 × 252,516.18
  4. Step 4: Simplify right side
    443,502.70x = 154,548,573,565.62
  5. Step 5: Solve for x
    x = 154,548,573,565.62/443,502.70
  6. Step 6: Final answer
    x = 348,472.68

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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.