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Finding the Fourth Proportional to 266,546.40, 399,673.80 and 108,596.40

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Solution

The fourth proportional to 266,546.40, 399,673.80 and 108,596.40 is: 162,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,546.40 : 399,673.80 = 108,596.40 : x
  2. Step 2: Convert to fraction form
    266,546.40/399,673.80 = 108,596.40/x
  3. Step 3: Cross multiply
    266,546.40x = 399,673.80 × 108,596.40
  4. Step 4: Simplify right side
    266,546.40x = 43,403,135,854.32
  5. Step 5: Solve for x
    x = 43,403,135,854.32/266,546.40
  6. Step 6: Final answer
    x = 162,835.20

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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.