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Finding the Fourth Proportional to 551,319.88, 826,454.94 and 177,080.52

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Solution

The fourth proportional to 551,319.88, 826,454.94 and 177,080.52 is: 265,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,319.88 : 826,454.94 = 177,080.52 : x
  2. Step 2: Convert to fraction form
    551,319.88/826,454.94 = 177,080.52/x
  3. Step 3: Cross multiply
    551,319.88x = 826,454.94 × 177,080.52
  4. Step 4: Simplify right side
    551,319.88x = 146,349,070,531.77
  5. Step 5: Solve for x
    x = 146,349,070,531.77/551,319.88
  6. Step 6: Final answer
    x = 265,452.19

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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.