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Finding the Fourth Proportional to 357,143.73, 492,867.95 and 196,004.52

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Solution

The fourth proportional to 357,143.73, 492,867.95 and 196,004.52 is: 270,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,143.73 : 492,867.95 = 196,004.52 : x
  2. Step 2: Convert to fraction form
    357,143.73/492,867.95 = 196,004.52/x
  3. Step 3: Cross multiply
    357,143.73x = 492,867.95 × 196,004.52
  4. Step 4: Simplify right side
    357,143.73x = 96,604,344,983.11
  5. Step 5: Solve for x
    x = 96,604,344,983.11/357,143.73
  6. Step 6: Final answer
    x = 270,491.50

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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.