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Finding the Fourth Proportional to 606,169.60, 909,290.80 and 185,449.12

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Solution

The fourth proportional to 606,169.60, 909,290.80 and 185,449.12 is: 278,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,169.60 : 909,290.80 = 185,449.12 : x
  2. Step 2: Convert to fraction form
    606,169.60/909,290.80 = 185,449.12/x
  3. Step 3: Cross multiply
    606,169.60x = 909,290.80 × 185,449.12
  4. Step 4: Simplify right side
    606,169.60x = 168,627,178,684.10
  5. Step 5: Solve for x
    x = 168,627,178,684.10/606,169.60
  6. Step 6: Final answer
    x = 278,184.82

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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.