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Finding the Fourth Proportional to 360,830.40, 541,294.20 and 124,245.60

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Solution

The fourth proportional to 360,830.40, 541,294.20 and 124,245.60 is: 186,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,830.40 : 541,294.20 = 124,245.60 : x
  2. Step 2: Convert to fraction form
    360,830.40/541,294.20 = 124,245.60/x
  3. Step 3: Cross multiply
    360,830.40x = 541,294.20 × 124,245.60
  4. Step 4: Simplify right side
    360,830.40x = 67,253,422,655.52
  5. Step 5: Solve for x
    x = 67,253,422,655.52/360,830.40
  6. Step 6: Final answer
    x = 186,385.13

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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.