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Finding the Fourth Proportional to 555,864.32, 833,796.48 and 135,136.55

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Solution

The fourth proportional to 555,864.32, 833,796.48 and 135,136.55 is: 202,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,864.32 : 833,796.48 = 135,136.55 : x
  2. Step 2: Convert to fraction form
    555,864.32/833,796.48 = 135,136.55/x
  3. Step 3: Cross multiply
    555,864.32x = 833,796.48 × 135,136.55
  4. Step 4: Simplify right side
    555,864.32x = 112,676,382,300.60
  5. Step 5: Solve for x
    x = 112,676,382,300.60/555,864.32
  6. Step 6: Final answer
    x = 202,704.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.