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Finding the Fourth Proportional to 282,576.54, 389,954.48 and 161,717.25

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Solution

The fourth proportional to 282,576.54, 389,954.48 and 161,717.25 is: 223,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,576.54 : 389,954.48 = 161,717.25 : x
  2. Step 2: Convert to fraction form
    282,576.54/389,954.48 = 161,717.25/x
  3. Step 3: Cross multiply
    282,576.54x = 389,954.48 × 161,717.25
  4. Step 4: Simplify right side
    282,576.54x = 63,062,365,322.19
  5. Step 5: Solve for x
    x = 63,062,365,322.19/282,576.54
  6. Step 6: Final answer
    x = 223,169.15

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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.