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Finding the Fourth Proportional to 417,613.08, 576,306.42 and 226,626.47

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Solution

The fourth proportional to 417,613.08, 576,306.42 and 226,626.47 is: 312,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,613.08 : 576,306.42 = 226,626.47 : x
  2. Step 2: Convert to fraction form
    417,613.08/576,306.42 = 226,626.47/x
  3. Step 3: Cross multiply
    417,613.08x = 576,306.42 × 226,626.47
  4. Step 4: Simplify right side
    417,613.08x = 130,606,289,602.94
  5. Step 5: Solve for x
    x = 130,606,289,602.94/417,613.08
  6. Step 6: Final answer
    x = 312,744.73

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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.