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Finding the Fourth Proportional to 307,604.66, 424,484.15 and 180,277.52

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Solution

The fourth proportional to 307,604.66, 424,484.15 and 180,277.52 is: 248,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,604.66 : 424,484.15 = 180,277.52 : x
  2. Step 2: Convert to fraction form
    307,604.66/424,484.15 = 180,277.52/x
  3. Step 3: Cross multiply
    307,604.66x = 424,484.15 × 180,277.52
  4. Step 4: Simplify right side
    307,604.66x = 76,524,946,817.50
  5. Step 5: Solve for x
    x = 76,524,946,817.50/307,604.66
  6. Step 6: Final answer
    x = 248,776.95

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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.