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Finding the Fourth Proportional to 363,392.80, 545,024.40 and 230,034.40

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Solution

The fourth proportional to 363,392.80, 545,024.40 and 230,034.40 is: 345,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,392.80 : 545,024.40 = 230,034.40 : x
  2. Step 2: Convert to fraction form
    363,392.80/545,024.40 = 230,034.40/x
  3. Step 3: Cross multiply
    363,392.80x = 545,024.40 × 230,034.40
  4. Step 4: Simplify right side
    363,392.80x = 125,374,360,839.36
  5. Step 5: Solve for x
    x = 125,374,360,839.36/363,392.80
  6. Step 6: Final answer
    x = 345,010.58

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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.