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Finding the Fourth Proportional to 282,329.42, 389,443.56 and 167,532.58

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Solution

The fourth proportional to 282,329.42, 389,443.56 and 167,532.58 is: 231,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,329.42 : 389,443.56 = 167,532.58 : x
  2. Step 2: Convert to fraction form
    282,329.42/389,443.56 = 167,532.58/x
  3. Step 3: Cross multiply
    282,329.42x = 389,443.56 × 167,532.58
  4. Step 4: Simplify right side
    282,329.42x = 65,244,484,371.18
  5. Step 5: Solve for x
    x = 65,244,484,371.18/282,329.42
  6. Step 6: Final answer
    x = 231,093.47

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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.