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Finding the Fourth Proportional to 550,045.36, 825,068.76 and 150,689.62

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Solution

The fourth proportional to 550,045.36, 825,068.76 and 150,689.62 is: 226,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,045.36 : 825,068.76 = 150,689.62 : x
  2. Step 2: Convert to fraction form
    550,045.36/825,068.76 = 150,689.62/x
  3. Step 3: Cross multiply
    550,045.36x = 825,068.76 × 150,689.62
  4. Step 4: Simplify right side
    550,045.36x = 124,329,297,918.27
  5. Step 5: Solve for x
    x = 124,329,297,918.27/550,045.36
  6. Step 6: Final answer
    x = 226,034.63

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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.