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Finding the Fourth Proportional to 437,167, 655,312.74 and 170,560.72

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Solution

The fourth proportional to 437,167, 655,312.74 and 170,560.72 is: 255,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,167 : 655,312.74 = 170,560.72 : x
  2. Step 2: Convert to fraction form
    437,167/655,312.74 = 170,560.72/x
  3. Step 3: Cross multiply
    437,167x = 655,312.74 × 170,560.72
  4. Step 4: Simplify right side
    437,167x = 111,770,612,759.57
  5. Step 5: Solve for x
    x = 111,770,612,759.57/437,167
  6. Step 6: Final answer
    x = 255,670.29

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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.