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Finding the Fourth Proportional to 342,820.65, 473,119.38 and 197,673.11

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Solution

The fourth proportional to 342,820.65, 473,119.38 and 197,673.11 is: 272,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,820.65 : 473,119.38 = 197,673.11 : x
  2. Step 2: Convert to fraction form
    342,820.65/473,119.38 = 197,673.11/x
  3. Step 3: Cross multiply
    342,820.65x = 473,119.38 × 197,673.11
  4. Step 4: Simplify right side
    342,820.65x = 93,522,978,654.47
  5. Step 5: Solve for x
    x = 93,522,978,654.47/342,820.65
  6. Step 6: Final answer
    x = 272,804.39

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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.