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Finding the Fourth Proportional to 250,010.40, 375,092.40 and 197,440.80

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Solution

The fourth proportional to 250,010.40, 375,092.40 and 197,440.80 is: 296,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,010.40 : 375,092.40 = 197,440.80 : x
  2. Step 2: Convert to fraction form
    250,010.40/375,092.40 = 197,440.80/x
  3. Step 3: Cross multiply
    250,010.40x = 375,092.40 × 197,440.80
  4. Step 4: Simplify right side
    250,010.40x = 74,058,543,529.92
  5. Step 5: Solve for x
    x = 74,058,543,529.92/250,010.40
  6. Step 6: Final answer
    x = 296,221.85

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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.