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Finding the Fourth Proportional to 659,568.15, 989,352.23 and 160,932.15

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Solution

The fourth proportional to 659,568.15, 989,352.23 and 160,932.15 is: 241,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,568.15 : 989,352.23 = 160,932.15 : x
  2. Step 2: Convert to fraction form
    659,568.15/989,352.23 = 160,932.15/x
  3. Step 3: Cross multiply
    659,568.15x = 989,352.23 × 160,932.15
  4. Step 4: Simplify right side
    659,568.15x = 159,218,580,676.53
  5. Step 5: Solve for x
    x = 159,218,580,676.53/659,568.15
  6. Step 6: Final answer
    x = 241,398.23

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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.