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Finding the Fourth Proportional to 354,901.60, 532,352.40 and 235,151.20

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Solution

The fourth proportional to 354,901.60, 532,352.40 and 235,151.20 is: 352,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,901.60 : 532,352.40 = 235,151.20 : x
  2. Step 2: Convert to fraction form
    354,901.60/532,352.40 = 235,151.20/x
  3. Step 3: Cross multiply
    354,901.60x = 532,352.40 × 235,151.20
  4. Step 4: Simplify right side
    354,901.60x = 125,183,305,682.88
  5. Step 5: Solve for x
    x = 125,183,305,682.88/354,901.60
  6. Step 6: Final answer
    x = 352,726.80

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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.