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Finding the Fourth Proportional to 384,252.54, 575,197.74 and 327,565.50

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Solution

The fourth proportional to 384,252.54, 575,197.74 and 327,565.50 is: 490,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,252.54 : 575,197.74 = 327,565.50 : x
  2. Step 2: Convert to fraction form
    384,252.54/575,197.74 = 327,565.50/x
  3. Step 3: Cross multiply
    384,252.54x = 575,197.74 × 327,565.50
  4. Step 4: Simplify right side
    384,252.54x = 188,414,935,301.97
  5. Step 5: Solve for x
    x = 188,414,935,301.97/384,252.54
  6. Step 6: Final answer
    x = 490,341.42

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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.