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Finding the Fourth Proportional to 403,701.52, 605,625.24 and 166,915.60

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Solution

The fourth proportional to 403,701.52, 605,625.24 and 166,915.60 is: 250,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,701.52 : 605,625.24 = 166,915.60 : x
  2. Step 2: Convert to fraction form
    403,701.52/605,625.24 = 166,915.60/x
  3. Step 3: Cross multiply
    403,701.52x = 605,625.24 × 166,915.60
  4. Step 4: Simplify right side
    403,701.52x = 101,088,300,309.74
  5. Step 5: Solve for x
    x = 101,088,300,309.74/403,701.52
  6. Step 6: Final answer
    x = 250,403.57

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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.