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Finding the Fourth Proportional to 334,614.78, 461,565.54 and 198,559.08

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Solution

The fourth proportional to 334,614.78, 461,565.54 and 198,559.08 is: 273,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,614.78 : 461,565.54 = 198,559.08 : x
  2. Step 2: Convert to fraction form
    334,614.78/461,565.54 = 198,559.08/x
  3. Step 3: Cross multiply
    334,614.78x = 461,565.54 × 198,559.08
  4. Step 4: Simplify right side
    334,614.78x = 91,648,028,982.10
  5. Step 5: Solve for x
    x = 91,648,028,982.10/334,614.78
  6. Step 6: Final answer
    x = 273,891.16

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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.