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Finding the Fourth Proportional to 703,574.38, 970,951.08 and 431,792.92

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Solution

The fourth proportional to 703,574.38, 970,951.08 and 431,792.92 is: 595,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,574.38 : 970,951.08 = 431,792.92 : x
  2. Step 2: Convert to fraction form
    703,574.38/970,951.08 = 431,792.92/x
  3. Step 3: Cross multiply
    703,574.38x = 970,951.08 × 431,792.92
  4. Step 4: Simplify right side
    703,574.38x = 419,249,802,010.35
  5. Step 5: Solve for x
    x = 419,249,802,010.35/703,574.38
  6. Step 6: Final answer
    x = 595,885.54

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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.