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Finding the Fourth Proportional to 307,374, 424,166.11 and 169,552.59

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Solution

The fourth proportional to 307,374, 424,166.11 and 169,552.59 is: 233,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,374 : 424,166.11 = 169,552.59 : x
  2. Step 2: Convert to fraction form
    307,374/424,166.11 = 169,552.59/x
  3. Step 3: Cross multiply
    307,374x = 424,166.11 × 169,552.59
  4. Step 4: Simplify right side
    307,374x = 71,918,462,540.72
  5. Step 5: Solve for x
    x = 71,918,462,540.72/307,374
  6. Step 6: Final answer
    x = 233,977.05

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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.