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Finding the Fourth Proportional to 313,468.38, 432,613.17 and 177,526.38

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Solution

The fourth proportional to 313,468.38, 432,613.17 and 177,526.38 is: 245,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,468.38 : 432,613.17 = 177,526.38 : x
  2. Step 2: Convert to fraction form
    313,468.38/432,613.17 = 177,526.38/x
  3. Step 3: Cross multiply
    313,468.38x = 432,613.17 × 177,526.38
  4. Step 4: Simplify right side
    313,468.38x = 76,800,250,010.42
  5. Step 5: Solve for x
    x = 76,800,250,010.42/313,468.38
  6. Step 6: Final answer
    x = 245,001.59

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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.