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Finding the Fourth Proportional to 417,395.52, 625,539.60 and 227,368.44

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Solution

The fourth proportional to 417,395.52, 625,539.60 and 227,368.44 is: 340,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,395.52 : 625,539.60 = 227,368.44 : x
  2. Step 2: Convert to fraction form
    417,395.52/625,539.60 = 227,368.44/x
  3. Step 3: Cross multiply
    417,395.52x = 625,539.60 × 227,368.44
  4. Step 4: Simplify right side
    417,395.52x = 142,227,963,010.22
  5. Step 5: Solve for x
    x = 142,227,963,010.22/417,395.52
  6. Step 6: Final answer
    x = 340,751.05

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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.