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Finding the Fourth Proportional to 490,109.20, 735,182.52 and 153,180.88

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Solution

The fourth proportional to 490,109.20, 735,182.52 and 153,180.88 is: 229,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,109.20 : 735,182.52 = 153,180.88 : x
  2. Step 2: Convert to fraction form
    490,109.20/735,182.52 = 153,180.88/x
  3. Step 3: Cross multiply
    490,109.20x = 735,182.52 × 153,180.88
  4. Step 4: Simplify right side
    490,109.20x = 112,615,905,374.22
  5. Step 5: Solve for x
    x = 112,615,905,374.22/490,109.20
  6. Step 6: Final answer
    x = 229,777.17

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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.