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Finding the Fourth Proportional to 425,768.28, 587,340.36 and 264,562.08

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Solution

The fourth proportional to 425,768.28, 587,340.36 and 264,562.08 is: 364,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,768.28 : 587,340.36 = 264,562.08 : x
  2. Step 2: Convert to fraction form
    425,768.28/587,340.36 = 264,562.08/x
  3. Step 3: Cross multiply
    425,768.28x = 587,340.36 × 264,562.08
  4. Step 4: Simplify right side
    425,768.28x = 155,387,987,309.55
  5. Step 5: Solve for x
    x = 155,387,987,309.55/425,768.28
  6. Step 6: Final answer
    x = 364,959.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.