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Finding the Fourth Proportional to 622,125.80, 933,188.70 and 267,079.40

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Solution

The fourth proportional to 622,125.80, 933,188.70 and 267,079.40 is: 400,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,125.80 : 933,188.70 = 267,079.40 : x
  2. Step 2: Convert to fraction form
    622,125.80/933,188.70 = 267,079.40/x
  3. Step 3: Cross multiply
    622,125.80x = 933,188.70 × 267,079.40
  4. Step 4: Simplify right side
    622,125.80x = 249,235,478,082.78
  5. Step 5: Solve for x
    x = 249,235,478,082.78/622,125.80
  6. Step 6: Final answer
    x = 400,619.10

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Similar ratio
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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.