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Finding the Fourth Proportional to 557,407.69, 836,153.25 and 158,080.62

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Solution

The fourth proportional to 557,407.69, 836,153.25 and 158,080.62 is: 237,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,407.69 : 836,153.25 = 158,080.62 : x
  2. Step 2: Convert to fraction form
    557,407.69/836,153.25 = 158,080.62/x
  3. Step 3: Cross multiply
    557,407.69x = 836,153.25 × 158,080.62
  4. Step 4: Simplify right side
    557,407.69x = 132,179,626,717.79
  5. Step 5: Solve for x
    x = 132,179,626,717.79/557,407.69
  6. Step 6: Final answer
    x = 237,132.77

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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.