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Finding the Fourth Proportional to 431,609, 595,613.58 and 240,634.04

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Solution

The fourth proportional to 431,609, 595,613.58 and 240,634.04 is: 332,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,609 : 595,613.58 = 240,634.04 : x
  2. Step 2: Convert to fraction form
    431,609/595,613.58 = 240,634.04/x
  3. Step 3: Cross multiply
    431,609x = 595,613.58 × 240,634.04
  4. Step 4: Simplify right side
    431,609x = 143,324,902,034.26
  5. Step 5: Solve for x
    x = 143,324,902,034.26/431,609
  6. Step 6: Final answer
    x = 332,071.16

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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.