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Finding the Fourth Proportional to 363,412.80, 544,600.80 and 267,897.60

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Solution

The fourth proportional to 363,412.80, 544,600.80 and 267,897.60 is: 401,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,412.80 : 544,600.80 = 267,897.60 : x
  2. Step 2: Convert to fraction form
    363,412.80/544,600.80 = 267,897.60/x
  3. Step 3: Cross multiply
    363,412.80x = 544,600.80 × 267,897.60
  4. Step 4: Simplify right side
    363,412.80x = 145,897,247,278.08
  5. Step 5: Solve for x
    x = 145,897,247,278.08/363,412.80
  6. Step 6: Final answer
    x = 401,464.25

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1.5x scale

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.