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Finding the Fourth Proportional to 334,542.68, 461,458.92 and 198,480.32

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Solution

The fourth proportional to 334,542.68, 461,458.92 and 198,480.32 is: 273,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,542.68 : 461,458.92 = 198,480.32 : x
  2. Step 2: Convert to fraction form
    334,542.68/461,458.92 = 198,480.32/x
  3. Step 3: Cross multiply
    334,542.68x = 461,458.92 × 198,480.32
  4. Step 4: Simplify right side
    334,542.68x = 91,590,514,108.45
  5. Step 5: Solve for x
    x = 91,590,514,108.45/334,542.68
  6. Step 6: Final answer
    x = 273,778.26

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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.