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Finding the Fourth Proportional to 265,530.86, 398,394.71 and 123,452.41

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Solution

The fourth proportional to 265,530.86, 398,394.71 and 123,452.41 is: 185,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,530.86 : 398,394.71 = 123,452.41 : x
  2. Step 2: Convert to fraction form
    265,530.86/398,394.71 = 123,452.41/x
  3. Step 3: Cross multiply
    265,530.86x = 398,394.71 × 123,452.41
  4. Step 4: Simplify right side
    265,530.86x = 49,182,786,393.40
  5. Step 5: Solve for x
    x = 49,182,786,393.40/265,530.86
  6. Step 6: Final answer
    x = 185,224.37

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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.