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Finding the Fourth Proportional to 363,934.10, 545,901.15 and 127,252.10

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Solution

The fourth proportional to 363,934.10, 545,901.15 and 127,252.10 is: 190,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,934.10 : 545,901.15 = 127,252.10 : x
  2. Step 2: Convert to fraction form
    363,934.10/545,901.15 = 127,252.10/x
  3. Step 3: Cross multiply
    363,934.10x = 545,901.15 × 127,252.10
  4. Step 4: Simplify right side
    363,934.10x = 69,467,067,729.92
  5. Step 5: Solve for x
    x = 69,467,067,729.92/363,934.10
  6. Step 6: Final answer
    x = 190,878.15

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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.