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Finding the Fourth Proportional to 703,960.27, 971,393.26 and 432,039.62

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Solution

The fourth proportional to 703,960.27, 971,393.26 and 432,039.62 is: 596,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,960.27 : 971,393.26 = 432,039.62 : x
  2. Step 2: Convert to fraction form
    703,960.27/971,393.26 = 432,039.62/x
  3. Step 3: Cross multiply
    703,960.27x = 971,393.26 × 432,039.62
  4. Step 4: Simplify right side
    703,960.27x = 419,680,377,079.42
  5. Step 5: Solve for x
    x = 419,680,377,079.42/703,960.27
  6. Step 6: Final answer
    x = 596,170.55

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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.