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Finding the Fourth Proportional to 243,273.87, 335,875.91 and 217,735.95

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Solution

The fourth proportional to 243,273.87, 335,875.91 and 217,735.95 is: 300,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,273.87 : 335,875.91 = 217,735.95 : x
  2. Step 2: Convert to fraction form
    243,273.87/335,875.91 = 217,735.95/x
  3. Step 3: Cross multiply
    243,273.87x = 335,875.91 × 217,735.95
  4. Step 4: Simplify right side
    243,273.87x = 73,132,260,345.96
  5. Step 5: Solve for x
    x = 73,132,260,345.96/243,273.87
  6. Step 6: Final answer
    x = 300,617.00

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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.