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Finding the Fourth Proportional to 378,522.16, 567,695.68 and 112,218.46

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Solution

The fourth proportional to 378,522.16, 567,695.68 and 112,218.46 is: 168,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,522.16 : 567,695.68 = 112,218.46 : x
  2. Step 2: Convert to fraction form
    378,522.16/567,695.68 = 112,218.46/x
  3. Step 3: Cross multiply
    378,522.16x = 567,695.68 × 112,218.46
  4. Step 4: Simplify right side
    378,522.16x = 63,705,934,958.25
  5. Step 5: Solve for x
    x = 63,705,934,958.25/378,522.16
  6. Step 6: Final answer
    x = 168,301.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.