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Finding the Fourth Proportional to 541,850.60, 748,119.12 and 338,211.68

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Solution

The fourth proportional to 541,850.60, 748,119.12 and 338,211.68 is: 466,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,850.60 : 748,119.12 = 338,211.68 : x
  2. Step 2: Convert to fraction form
    541,850.60/748,119.12 = 338,211.68/x
  3. Step 3: Cross multiply
    541,850.60x = 748,119.12 × 338,211.68
  4. Step 4: Simplify right side
    541,850.60x = 253,022,624,415.32
  5. Step 5: Solve for x
    x = 253,022,624,415.32/541,850.60
  6. Step 6: Final answer
    x = 466,960.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.