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Finding the Fourth Proportional to 283,357.98, 391,050.39 and 162,498.30

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Solution

The fourth proportional to 283,357.98, 391,050.39 and 162,498.30 is: 224,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,357.98 : 391,050.39 = 162,498.30 : x
  2. Step 2: Convert to fraction form
    283,357.98/391,050.39 = 162,498.30/x
  3. Step 3: Cross multiply
    283,357.98x = 391,050.39 × 162,498.30
  4. Step 4: Simplify right side
    283,357.98x = 63,545,023,589.34
  5. Step 5: Solve for x
    x = 63,545,023,589.34/283,357.98
  6. Step 6: Final answer
    x = 224,257.05

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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.