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Finding the Fourth Proportional to 373,969.36, 560,620.59 and 137,257.12

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Solution

The fourth proportional to 373,969.36, 560,620.59 and 137,257.12 is: 205,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,969.36 : 560,620.59 = 137,257.12 : x
  2. Step 2: Convert to fraction form
    373,969.36/560,620.59 = 137,257.12/x
  3. Step 3: Cross multiply
    373,969.36x = 560,620.59 × 137,257.12
  4. Step 4: Simplify right side
    373,969.36x = 76,949,167,596.10
  5. Step 5: Solve for x
    x = 76,949,167,596.10/373,969.36
  6. Step 6: Final answer
    x = 205,763.29

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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.