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Finding the Fourth Proportional to 283,365.96, 391,029.86 and 162,501.40

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Solution

The fourth proportional to 283,365.96, 391,029.86 and 162,501.40 is: 224,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,365.96 : 391,029.86 = 162,501.40 : x
  2. Step 2: Convert to fraction form
    283,365.96/391,029.86 = 162,501.40/x
  3. Step 3: Cross multiply
    283,365.96x = 391,029.86 × 162,501.40
  4. Step 4: Simplify right side
    283,365.96x = 63,542,899,691.80
  5. Step 5: Solve for x
    x = 63,542,899,691.80/283,365.96
  6. Step 6: Final answer
    x = 224,243.24

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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.