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Finding the Fourth Proportional to 342,900.48, 473,162.22 and 197,704.66

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Solution

The fourth proportional to 342,900.48, 473,162.22 and 197,704.66 is: 272,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,900.48 : 473,162.22 = 197,704.66 : x
  2. Step 2: Convert to fraction form
    342,900.48/473,162.22 = 197,704.66/x
  3. Step 3: Cross multiply
    342,900.48x = 473,162.22 × 197,704.66
  4. Step 4: Simplify right side
    342,900.48x = 93,546,375,829.95
  5. Step 5: Solve for x
    x = 93,546,375,829.95/342,900.48
  6. Step 6: Final answer
    x = 272,809.11

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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.