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Finding the Fourth Proportional to 255,667.50, 352,452.24 and 178,949.16

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Solution

The fourth proportional to 255,667.50, 352,452.24 and 178,949.16 is: 246,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,667.50 : 352,452.24 = 178,949.16 : x
  2. Step 2: Convert to fraction form
    255,667.50/352,452.24 = 178,949.16/x
  3. Step 3: Cross multiply
    255,667.50x = 352,452.24 × 178,949.16
  4. Step 4: Simplify right side
    255,667.50x = 63,071,032,288.12
  5. Step 5: Solve for x
    x = 63,071,032,288.12/255,667.50
  6. Step 6: Final answer
    x = 246,691.63

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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.