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Finding the Fourth Proportional to 361,514.32, 498,877 and 198,170.32

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Solution

The fourth proportional to 361,514.32, 498,877 and 198,170.32 is: 273,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,514.32 : 498,877 = 198,170.32 : x
  2. Step 2: Convert to fraction form
    361,514.32/498,877 = 198,170.32/x
  3. Step 3: Cross multiply
    361,514.32x = 498,877 × 198,170.32
  4. Step 4: Simplify right side
    361,514.32x = 98,862,614,730.64
  5. Step 5: Solve for x
    x = 98,862,614,730.64/361,514.32
  6. Step 6: Final answer
    x = 273,468.05

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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.