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Finding the Fourth Proportional to 659,568.40, 989,352.60 and 160,932.40

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Solution

The fourth proportional to 659,568.40, 989,352.60 and 160,932.40 is: 241,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,568.40 : 989,352.60 = 160,932.40 : x
  2. Step 2: Convert to fraction form
    659,568.40/989,352.60 = 160,932.40/x
  3. Step 3: Cross multiply
    659,568.40x = 989,352.60 × 160,932.40
  4. Step 4: Simplify right side
    659,568.40x = 159,218,888,364.24
  5. Step 5: Solve for x
    x = 159,218,888,364.24/659,568.40
  6. Step 6: Final answer
    x = 241,398.60

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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.