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Finding the Fourth Proportional to 606,605.13, 909,874.89 and 185,882.22

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Solution

The fourth proportional to 606,605.13, 909,874.89 and 185,882.22 is: 278,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,605.13 : 909,874.89 = 185,882.22 : x
  2. Step 2: Convert to fraction form
    606,605.13/909,874.89 = 185,882.22/x
  3. Step 3: Cross multiply
    606,605.13x = 909,874.89 × 185,882.22
  4. Step 4: Simplify right side
    606,605.13x = 169,129,564,475.46
  5. Step 5: Solve for x
    x = 169,129,564,475.46/606,605.13
  6. Step 6: Final answer
    x = 278,813.28

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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.