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Finding the Fourth Proportional to 372,879, 559,391.58 and 148,197.54

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Solution

The fourth proportional to 372,879, 559,391.58 and 148,197.54 is: 222,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,879 : 559,391.58 = 148,197.54 : x
  2. Step 2: Convert to fraction form
    372,879/559,391.58 = 148,197.54/x
  3. Step 3: Cross multiply
    372,879x = 559,391.58 × 148,197.54
  4. Step 4: Simplify right side
    372,879x = 82,900,456,052.71
  5. Step 5: Solve for x
    x = 82,900,456,052.71/372,879
  6. Step 6: Final answer
    x = 222,325.36

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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.