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Finding the Fourth Proportional to 307,883.28, 424,949.76 and 180,599.88

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Solution

The fourth proportional to 307,883.28, 424,949.76 and 180,599.88 is: 249,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,883.28 : 424,949.76 = 180,599.88 : x
  2. Step 2: Convert to fraction form
    307,883.28/424,949.76 = 180,599.88/x
  3. Step 3: Cross multiply
    307,883.28x = 424,949.76 × 180,599.88
  4. Step 4: Simplify right side
    307,883.28x = 76,745,875,662.03
  5. Step 5: Solve for x
    x = 76,745,875,662.03/307,883.28
  6. Step 6: Final answer
    x = 249,269.38

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1.5x scale

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.