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Finding the Fourth Proportional to 587,753.40, 881,630.10 and 401,129.40

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Solution

The fourth proportional to 587,753.40, 881,630.10 and 401,129.40 is: 601,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,753.40 : 881,630.10 = 401,129.40 : x
  2. Step 2: Convert to fraction form
    587,753.40/881,630.10 = 401,129.40/x
  3. Step 3: Cross multiply
    587,753.40x = 881,630.10 × 401,129.40
  4. Step 4: Simplify right side
    587,753.40x = 353,647,753,034.94
  5. Step 5: Solve for x
    x = 353,647,753,034.94/587,753.40
  6. Step 6: Final answer
    x = 601,694.10

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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.