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Finding the Fourth Proportional to 295,919.10, 444,060.90 and 127,520.10

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Solution

The fourth proportional to 295,919.10, 444,060.90 and 127,520.10 is: 191,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,919.10 : 444,060.90 = 127,520.10 : x
  2. Step 2: Convert to fraction form
    295,919.10/444,060.90 = 127,520.10/x
  3. Step 3: Cross multiply
    295,919.10x = 444,060.90 × 127,520.10
  4. Step 4: Simplify right side
    295,919.10x = 56,626,690,374.09
  5. Step 5: Solve for x
    x = 56,626,690,374.09/295,919.10
  6. Step 6: Final answer
    x = 191,358.69

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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.