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Finding the Fourth Proportional to 283,308.33, 425,008.65 and 83,648.90

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Solution

The fourth proportional to 283,308.33, 425,008.65 and 83,648.90 is: 125,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,308.33 : 425,008.65 = 83,648.90 : x
  2. Step 2: Convert to fraction form
    283,308.33/425,008.65 = 83,648.90/x
  3. Step 3: Cross multiply
    283,308.33x = 425,008.65 × 83,648.90
  4. Step 4: Simplify right side
    283,308.33x = 35,551,504,573.23
  5. Step 5: Solve for x
    x = 35,551,504,573.23/283,308.33
  6. Step 6: Final answer
    x = 125,486.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.