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Finding the Fourth Proportional to 329,559.68, 454,632 and 195,328.64

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Solution

The fourth proportional to 329,559.68, 454,632 and 195,328.64 is: 269,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,559.68 : 454,632 = 195,328.64 : x
  2. Step 2: Convert to fraction form
    329,559.68/454,632 = 195,328.64/x
  3. Step 3: Cross multiply
    329,559.68x = 454,632 × 195,328.64
  4. Step 4: Simplify right side
    329,559.68x = 88,802,650,260.48
  5. Step 5: Solve for x
    x = 88,802,650,260.48/329,559.68
  6. Step 6: Final answer
    x = 269,458.48

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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.