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Finding the Fourth Proportional to 362,403.60, 541,855.80 and 267,925.20

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Solution

The fourth proportional to 362,403.60, 541,855.80 and 267,925.20 is: 400,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,403.60 : 541,855.80 = 267,925.20 : x
  2. Step 2: Convert to fraction form
    362,403.60/541,855.80 = 267,925.20/x
  3. Step 3: Cross multiply
    362,403.60x = 541,855.80 × 267,925.20
  4. Step 4: Simplify right side
    362,403.60x = 145,176,823,586.16
  5. Step 5: Solve for x
    x = 145,176,823,586.16/362,403.60
  6. Step 6: Final answer
    x = 400,594.32

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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.