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Finding the Fourth Proportional to 881,859.58, 1,217,186.67 and 542,131

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Solution

The fourth proportional to 881,859.58, 1,217,186.67 and 542,131 is: 748,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,859.58 : 1,217,186.67 = 542,131 : x
  2. Step 2: Convert to fraction form
    881,859.58/1,217,186.67 = 542,131/x
  3. Step 3: Cross multiply
    881,859.58x = 1,217,186.67 × 542,131
  4. Step 4: Simplify right side
    881,859.58x = 659,874,626,593.77
  5. Step 5: Solve for x
    x = 659,874,626,593.77/881,859.58
  6. Step 6: Final answer
    x = 748,276.30

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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.