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Finding the Fourth Proportional to 403,334.60, 605,220.60 and 166,701.20

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Solution

The fourth proportional to 403,334.60, 605,220.60 and 166,701.20 is: 250,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,334.60 : 605,220.60 = 166,701.20 : x
  2. Step 2: Convert to fraction form
    403,334.60/605,220.60 = 166,701.20/x
  3. Step 3: Cross multiply
    403,334.60x = 605,220.60 × 166,701.20
  4. Step 4: Simplify right side
    403,334.60x = 100,891,000,284.72
  5. Step 5: Solve for x
    x = 100,891,000,284.72/403,334.60
  6. Step 6: Final answer
    x = 250,142.19

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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.