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Finding the Fourth Proportional to 307,371.96, 460,947 and 129,892.68

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Solution

The fourth proportional to 307,371.96, 460,947 and 129,892.68 is: 194,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,371.96 : 460,947 = 129,892.68 : x
  2. Step 2: Convert to fraction form
    307,371.96/460,947 = 129,892.68/x
  3. Step 3: Cross multiply
    307,371.96x = 460,947 × 129,892.68
  4. Step 4: Simplify right side
    307,371.96x = 59,873,641,167.96
  5. Step 5: Solve for x
    x = 59,873,641,167.96/307,371.96
  6. Step 6: Final answer
    x = 194,792.14

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1.5x scale

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.