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Finding the Fourth Proportional to 250,597.61, 345,490.14 and 199,085.61

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Solution

The fourth proportional to 250,597.61, 345,490.14 and 199,085.61 is: 274,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,597.61 : 345,490.14 = 199,085.61 : x
  2. Step 2: Convert to fraction form
    250,597.61/345,490.14 = 199,085.61/x
  3. Step 3: Cross multiply
    250,597.61x = 345,490.14 × 199,085.61
  4. Step 4: Simplify right side
    250,597.61x = 68,782,115,270.89
  5. Step 5: Solve for x
    x = 68,782,115,270.89/250,597.61
  6. Step 6: Final answer
    x = 274,472.36

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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.