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Finding the Fourth Proportional to 551,387.40, 827,081.10 and 235,876.20

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Solution

The fourth proportional to 551,387.40, 827,081.10 and 235,876.20 is: 353,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,387.40 : 827,081.10 = 235,876.20 : x
  2. Step 2: Convert to fraction form
    551,387.40/827,081.10 = 235,876.20/x
  3. Step 3: Cross multiply
    551,387.40x = 827,081.10 × 235,876.20
  4. Step 4: Simplify right side
    551,387.40x = 195,088,746,959.82
  5. Step 5: Solve for x
    x = 195,088,746,959.82/551,387.40
  6. Step 6: Final answer
    x = 353,814.30

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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.