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Finding the Fourth Proportional to 295,951.10, 443,959.05 and 286,619.90

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Solution

The fourth proportional to 295,951.10, 443,959.05 and 286,619.90 is: 429,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,951.10 : 443,959.05 = 286,619.90 : x
  2. Step 2: Convert to fraction form
    295,951.10/443,959.05 = 286,619.90/x
  3. Step 3: Cross multiply
    295,951.10x = 443,959.05 × 286,619.90
  4. Step 4: Simplify right side
    295,951.10x = 127,247,498,515.10
  5. Step 5: Solve for x
    x = 127,247,498,515.10/295,951.10
  6. Step 6: Final answer
    x = 429,961.23

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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.