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Finding the Fourth Proportional to 342,443.39, 472,530.46 and 197,296.65

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Solution

The fourth proportional to 342,443.39, 472,530.46 and 197,296.65 is: 272,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,443.39 : 472,530.46 = 197,296.65 : x
  2. Step 2: Convert to fraction form
    342,443.39/472,530.46 = 197,296.65/x
  3. Step 3: Cross multiply
    342,443.39x = 472,530.46 × 197,296.65
  4. Step 4: Simplify right side
    342,443.39x = 93,228,676,780.96
  5. Step 5: Solve for x
    x = 93,228,676,780.96/342,443.39
  6. Step 6: Final answer
    x = 272,245.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.