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Finding the Fourth Proportional to 360,811.40, 541,265.70 and 124,226.60

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Solution

The fourth proportional to 360,811.40, 541,265.70 and 124,226.60 is: 186,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,811.40 : 541,265.70 = 124,226.60 : x
  2. Step 2: Convert to fraction form
    360,811.40/541,265.70 = 124,226.60/x
  3. Step 3: Cross multiply
    360,811.40x = 541,265.70 × 124,226.60
  4. Step 4: Simplify right side
    360,811.40x = 67,239,597,607.62
  5. Step 5: Solve for x
    x = 67,239,597,607.62/360,811.40
  6. Step 6: Final answer
    x = 186,356.63

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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.