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Finding the Fourth Proportional to 606,338.70, 909,352.91 and 179,774.79

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Solution

The fourth proportional to 606,338.70, 909,352.91 and 179,774.79 is: 269,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,338.70 : 909,352.91 = 179,774.79 : x
  2. Step 2: Convert to fraction form
    606,338.70/909,352.91 = 179,774.79/x
  3. Step 3: Cross multiply
    606,338.70x = 909,352.91 × 179,774.79
  4. Step 4: Simplify right side
    606,338.70x = 163,478,727,532.27
  5. Step 5: Solve for x
    x = 163,478,727,532.27/606,338.70
  6. Step 6: Final answer
    x = 269,616.19

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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.