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Finding the Fourth Proportional to 629,532.27, 868,754.57 and 343,052.28

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Solution

The fourth proportional to 629,532.27, 868,754.57 and 343,052.28 is: 473,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,532.27 : 868,754.57 = 343,052.28 : x
  2. Step 2: Convert to fraction form
    629,532.27/868,754.57 = 343,052.28/x
  3. Step 3: Cross multiply
    629,532.27x = 868,754.57 × 343,052.28
  4. Step 4: Simplify right side
    629,532.27x = 298,028,234,283.66
  5. Step 5: Solve for x
    x = 298,028,234,283.66/629,532.27
  6. Step 6: Final answer
    x = 473,412.16

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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.