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Finding the Fourth Proportional to 551,078.14, 826,617.18 and 177,130.30

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Solution

The fourth proportional to 551,078.14, 826,617.18 and 177,130.30 is: 265,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,078.14 : 826,617.18 = 177,130.30 : x
  2. Step 2: Convert to fraction form
    551,078.14/826,617.18 = 177,130.30/x
  3. Step 3: Cross multiply
    551,078.14x = 826,617.18 × 177,130.30
  4. Step 4: Simplify right side
    551,078.14x = 146,418,949,078.55
  5. Step 5: Solve for x
    x = 146,418,949,078.55/551,078.14
  6. Step 6: Final answer
    x = 265,695.44

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Similar ratio
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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.