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Finding the Fourth Proportional to 496,615.60, 744,340.20 and 229,812.54

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Solution

The fourth proportional to 496,615.60, 744,340.20 and 229,812.54 is: 344,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,615.60 : 744,340.20 = 229,812.54 : x
  2. Step 2: Convert to fraction form
    496,615.60/744,340.20 = 229,812.54/x
  3. Step 3: Cross multiply
    496,615.60x = 744,340.20 × 229,812.54
  4. Step 4: Simplify right side
    496,615.60x = 171,058,711,986.11
  5. Step 5: Solve for x
    x = 171,058,711,986.11/496,615.60
  6. Step 6: Final answer
    x = 344,448.93

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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.