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Finding the Fourth Proportional to 307,391.68, 461,061.48 and 173,851.84

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Solution

The fourth proportional to 307,391.68, 461,061.48 and 173,851.84 is: 260,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,391.68 : 461,061.48 = 173,851.84 : x
  2. Step 2: Convert to fraction form
    307,391.68/461,061.48 = 173,851.84/x
  3. Step 3: Cross multiply
    307,391.68x = 461,061.48 × 173,851.84
  4. Step 4: Simplify right side
    307,391.68x = 80,156,386,651.12
  5. Step 5: Solve for x
    x = 80,156,386,651.12/307,391.68
  6. Step 6: Final answer
    x = 260,763.03

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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.