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Finding the Fourth Proportional to 296,543.90, 444,815.85 and 276,715.10

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Solution

The fourth proportional to 296,543.90, 444,815.85 and 276,715.10 is: 415,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,543.90 : 444,815.85 = 276,715.10 : x
  2. Step 2: Convert to fraction form
    296,543.90/444,815.85 = 276,715.10/x
  3. Step 3: Cross multiply
    296,543.90x = 444,815.85 × 276,715.10
  4. Step 4: Simplify right side
    296,543.90x = 123,087,262,414.34
  5. Step 5: Solve for x
    x = 123,087,262,414.34/296,543.90
  6. Step 6: Final answer
    x = 415,072.65

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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.