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Finding the Fourth Proportional to 357,515.26, 536,264.70 and 179,974.60

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Solution

The fourth proportional to 357,515.26, 536,264.70 and 179,974.60 is: 269,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,515.26 : 536,264.70 = 179,974.60 : x
  2. Step 2: Convert to fraction form
    357,515.26/536,264.70 = 179,974.60/x
  3. Step 3: Cross multiply
    357,515.26x = 536,264.70 × 179,974.60
  4. Step 4: Simplify right side
    357,515.26x = 96,514,024,876.62
  5. Step 5: Solve for x
    x = 96,514,024,876.62/357,515.26
  6. Step 6: Final answer
    x = 269,957.78

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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.