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Finding the Fourth Proportional to 355,405.60, 532,233.60 and 236,432.80

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Solution

The fourth proportional to 355,405.60, 532,233.60 and 236,432.80 is: 354,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,405.60 : 532,233.60 = 236,432.80 : x
  2. Step 2: Convert to fraction form
    355,405.60/532,233.60 = 236,432.80/x
  3. Step 3: Cross multiply
    355,405.60x = 532,233.60 × 236,432.80
  4. Step 4: Simplify right side
    355,405.60x = 125,837,480,302.08
  5. Step 5: Solve for x
    x = 125,837,480,302.08/355,405.60
  6. Step 6: Final answer
    x = 354,067.24

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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.