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Finding the Fourth Proportional to 358,464.44, 537,944.52 and 148,104.20

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Solution

The fourth proportional to 358,464.44, 537,944.52 and 148,104.20 is: 222,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,464.44 : 537,944.52 = 148,104.20 : x
  2. Step 2: Convert to fraction form
    358,464.44/537,944.52 = 148,104.20/x
  3. Step 3: Cross multiply
    358,464.44x = 537,944.52 × 148,104.20
  4. Step 4: Simplify right side
    358,464.44x = 79,671,842,778.98
  5. Step 5: Solve for x
    x = 79,671,842,778.98/358,464.44
  6. Step 6: Final answer
    x = 222,258.71

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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.