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Finding the Fourth Proportional to 357,031.67, 492,687.37 and 195,883.39

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Solution

The fourth proportional to 357,031.67, 492,687.37 and 195,883.39 is: 270,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,031.67 : 492,687.37 = 195,883.39 : x
  2. Step 2: Convert to fraction form
    357,031.67/492,687.37 = 195,883.39/x
  3. Step 3: Cross multiply
    357,031.67x = 492,687.37 × 195,883.39
  4. Step 4: Simplify right side
    357,031.67x = 96,509,272,245.78
  5. Step 5: Solve for x
    x = 96,509,272,245.78/357,031.67
  6. Step 6: Final answer
    x = 270,310.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.