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Finding the Fourth Proportional to 255,646.84, 352,793.82 and 148,280.44

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Solution

The fourth proportional to 255,646.84, 352,793.82 and 148,280.44 is: 204,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,646.84 : 352,793.82 = 148,280.44 : x
  2. Step 2: Convert to fraction form
    255,646.84/352,793.82 = 148,280.44/x
  3. Step 3: Cross multiply
    255,646.84x = 352,793.82 × 148,280.44
  4. Step 4: Simplify right side
    255,646.84x = 52,312,422,858.88
  5. Step 5: Solve for x
    x = 52,312,422,858.88/255,646.84
  6. Step 6: Final answer
    x = 204,627.69

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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.