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Finding the Fourth Proportional to 282,371.46, 389,673.90 and 161,514.06

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Solution

The fourth proportional to 282,371.46, 389,673.90 and 161,514.06 is: 222,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,371.46 : 389,673.90 = 161,514.06 : x
  2. Step 2: Convert to fraction form
    282,371.46/389,673.90 = 161,514.06/x
  3. Step 3: Cross multiply
    282,371.46x = 389,673.90 × 161,514.06
  4. Step 4: Simplify right side
    282,371.46x = 62,937,813,665.03
  5. Step 5: Solve for x
    x = 62,937,813,665.03/282,371.46
  6. Step 6: Final answer
    x = 222,890.14

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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.