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Finding the Fourth Proportional to 659,613.12, 989,422.02 and 160,977.12

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Solution

The fourth proportional to 659,613.12, 989,422.02 and 160,977.12 is: 241,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,613.12 : 989,422.02 = 160,977.12 : x
  2. Step 2: Convert to fraction form
    659,613.12/989,422.02 = 160,977.12/x
  3. Step 3: Cross multiply
    659,613.12x = 989,422.02 × 160,977.12
  4. Step 4: Simplify right side
    659,613.12x = 159,274,307,244.18
  5. Step 5: Solve for x
    x = 159,274,307,244.18/659,613.12
  6. Step 6: Final answer
    x = 241,466.25

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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.