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Finding the Fourth Proportional to 664,886.14, 997,329.26 and 166,250.14

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Solution

The fourth proportional to 664,886.14, 997,329.26 and 166,250.14 is: 249,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,886.14 : 997,329.26 = 166,250.14 : x
  2. Step 2: Convert to fraction form
    664,886.14/997,329.26 = 166,250.14/x
  3. Step 3: Cross multiply
    664,886.14x = 997,329.26 × 166,250.14
  4. Step 4: Simplify right side
    664,886.14x = 165,806,129,101.10
  5. Step 5: Solve for x
    x = 165,806,129,101.10/664,886.14
  6. Step 6: Final answer
    x = 249,375.22

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Double scale
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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.