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Finding the Fourth Proportional to 360,575.46, 497,142.12 and 231,286.14

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Solution

The fourth proportional to 360,575.46, 497,142.12 and 231,286.14 is: 318,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,575.46 : 497,142.12 = 231,286.14 : x
  2. Step 2: Convert to fraction form
    360,575.46/497,142.12 = 231,286.14/x
  3. Step 3: Cross multiply
    360,575.46x = 497,142.12 × 231,286.14
  4. Step 4: Simplify right side
    360,575.46x = 114,982,081,966.22
  5. Step 5: Solve for x
    x = 114,982,081,966.22/360,575.46
  6. Step 6: Final answer
    x = 318,884.93

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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.