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Finding the Fourth Proportional to 362,289.60, 541,684.80 and 267,811.20

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Solution

The fourth proportional to 362,289.60, 541,684.80 and 267,811.20 is: 400,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,289.60 : 541,684.80 = 267,811.20 : x
  2. Step 2: Convert to fraction form
    362,289.60/541,684.80 = 267,811.20/x
  3. Step 3: Cross multiply
    362,289.60x = 541,684.80 × 267,811.20
  4. Step 4: Simplify right side
    362,289.60x = 145,069,256,309.76
  5. Step 5: Solve for x
    x = 145,069,256,309.76/362,289.60
  6. Step 6: Final answer
    x = 400,423.46

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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.