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Finding the Fourth Proportional to 531,745.36, 797,470.41 and 147,402.43

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Solution

The fourth proportional to 531,745.36, 797,470.41 and 147,402.43 is: 221,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,745.36 : 797,470.41 = 147,402.43 : x
  2. Step 2: Convert to fraction form
    531,745.36/797,470.41 = 147,402.43/x
  3. Step 3: Cross multiply
    531,745.36x = 797,470.41 × 147,402.43
  4. Step 4: Simplify right side
    531,745.36x = 117,549,079,331.95
  5. Step 5: Solve for x
    x = 117,549,079,331.95/531,745.36
  6. Step 6: Final answer
    x = 221,062.73

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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.