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Finding the Fourth Proportional to 481,931.10, 665,068.83 and 267,074.70

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Solution

The fourth proportional to 481,931.10, 665,068.83 and 267,074.70 is: 368,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,931.10 : 665,068.83 = 267,074.70 : x
  2. Step 2: Convert to fraction form
    481,931.10/665,068.83 = 267,074.70/x
  3. Step 3: Cross multiply
    481,931.10x = 665,068.83 × 267,074.70
  4. Step 4: Simplify right side
    481,931.10x = 177,623,058,251.60
  5. Step 5: Solve for x
    x = 177,623,058,251.60/481,931.10
  6. Step 6: Final answer
    x = 368,565.25

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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.