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Finding the Fourth Proportional to 360,645.40, 541,016.70 and 124,060.60

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Solution

The fourth proportional to 360,645.40, 541,016.70 and 124,060.60 is: 186,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,645.40 : 541,016.70 = 124,060.60 : x
  2. Step 2: Convert to fraction form
    360,645.40/541,016.70 = 124,060.60/x
  3. Step 3: Cross multiply
    360,645.40x = 541,016.70 × 124,060.60
  4. Step 4: Simplify right side
    360,645.40x = 67,118,856,412.02
  5. Step 5: Solve for x
    x = 67,118,856,412.02/360,645.40
  6. Step 6: Final answer
    x = 186,107.62

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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.