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Finding the Fourth Proportional to 622,433.20, 933,520.20 and 267,458.80

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Solution

The fourth proportional to 622,433.20, 933,520.20 and 267,458.80 is: 401,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,433.20 : 933,520.20 = 267,458.80 : x
  2. Step 2: Convert to fraction form
    622,433.20/933,520.20 = 267,458.80/x
  3. Step 3: Cross multiply
    622,433.20x = 933,520.20 × 267,458.80
  4. Step 4: Simplify right side
    622,433.20x = 249,678,192,467.76
  5. Step 5: Solve for x
    x = 249,678,192,467.76/622,433.20
  6. Step 6: Final answer
    x = 401,132.51

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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.