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Finding the Fourth Proportional to 664,885.13, 997,327.76 and 166,249.13

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Solution

The fourth proportional to 664,885.13, 997,327.76 and 166,249.13 is: 249,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,885.13 : 997,327.76 = 166,249.13 : x
  2. Step 2: Convert to fraction form
    664,885.13/997,327.76 = 166,249.13/x
  3. Step 3: Cross multiply
    664,885.13x = 997,327.76 × 166,249.13
  4. Step 4: Simplify right side
    664,885.13x = 165,804,872,424.85
  5. Step 5: Solve for x
    x = 165,804,872,424.85/664,885.13
  6. Step 6: Final answer
    x = 249,373.71

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Double scale
Find fourth proportional to 664,886.13, 997,329.26 and 166,250.13
Similar ratio
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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.