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Finding the Fourth Proportional to 659,015.58, 988,523.46 and 160,379.58

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Solution

The fourth proportional to 659,015.58, 988,523.46 and 160,379.58 is: 240,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,015.58 : 988,523.46 = 160,379.58 : x
  2. Step 2: Convert to fraction form
    659,015.58/988,523.46 = 160,379.58/x
  3. Step 3: Cross multiply
    659,015.58x = 988,523.46 × 160,379.58
  4. Step 4: Simplify right side
    659,015.58x = 158,538,977,334.95
  5. Step 5: Solve for x
    x = 158,538,977,334.95/659,015.58
  6. Step 6: Final answer
    x = 240,569.39

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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.