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Finding the Fourth Proportional to 622,171.60, 933,430.20 and 267,355.60

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Solution

The fourth proportional to 622,171.60, 933,430.20 and 267,355.60 is: 401,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,171.60 : 933,430.20 = 267,355.60 : x
  2. Step 2: Convert to fraction form
    622,171.60/933,430.20 = 267,355.60/x
  3. Step 3: Cross multiply
    622,171.60x = 933,430.20 × 267,355.60
  4. Step 4: Simplify right side
    622,171.60x = 249,557,791,179.12
  5. Step 5: Solve for x
    x = 249,557,791,179.12/622,171.60
  6. Step 6: Final answer
    x = 401,107.65

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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.