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Finding the Fourth Proportional to 703,573.38, 970,949.70 and 431,791.92

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Solution

The fourth proportional to 703,573.38, 970,949.70 and 431,791.92 is: 595,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,573.38 : 970,949.70 = 431,791.92 : x
  2. Step 2: Convert to fraction form
    703,573.38/970,949.70 = 431,791.92/x
  3. Step 3: Cross multiply
    703,573.38x = 970,949.70 × 431,791.92
  4. Step 4: Simplify right side
    703,573.38x = 419,248,235,186.42
  5. Step 5: Solve for x
    x = 419,248,235,186.42/703,573.38
  6. Step 6: Final answer
    x = 595,884.16

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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.