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Finding the Fourth Proportional to 296,655.66, 446,246.25 and 268,910.30

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Solution

The fourth proportional to 296,655.66, 446,246.25 and 268,910.30 is: 404,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,655.66 : 446,246.25 = 268,910.30 : x
  2. Step 2: Convert to fraction form
    296,655.66/446,246.25 = 268,910.30/x
  3. Step 3: Cross multiply
    296,655.66x = 446,246.25 × 268,910.30
  4. Step 4: Simplify right side
    296,655.66x = 120,000,212,961.38
  5. Step 5: Solve for x
    x = 120,000,212,961.38/296,655.66
  6. Step 6: Final answer
    x = 404,510.11

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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.