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Finding the Fourth Proportional to 259,391.97, 358,127.52 and 162,728.36

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Solution

The fourth proportional to 259,391.97, 358,127.52 and 162,728.36 is: 224,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,391.97 : 358,127.52 = 162,728.36 : x
  2. Step 2: Convert to fraction form
    259,391.97/358,127.52 = 162,728.36/x
  3. Step 3: Cross multiply
    259,391.97x = 358,127.52 × 162,728.36
  4. Step 4: Simplify right side
    259,391.97x = 58,277,502,209.83
  5. Step 5: Solve for x
    x = 58,277,502,209.83/259,391.97
  6. Step 6: Final answer
    x = 224,669.65

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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.