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Finding the Fourth Proportional to 434,665.44, 599,867.10 and 243,691.20

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Solution

The fourth proportional to 434,665.44, 599,867.10 and 243,691.20 is: 336,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,665.44 : 599,867.10 = 243,691.20 : x
  2. Step 2: Convert to fraction form
    434,665.44/599,867.10 = 243,691.20/x
  3. Step 3: Cross multiply
    434,665.44x = 599,867.10 × 243,691.20
  4. Step 4: Simplify right side
    434,665.44x = 146,182,333,439.52
  5. Step 5: Solve for x
    x = 146,182,333,439.52/434,665.44
  6. Step 6: Final answer
    x = 336,310.00

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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.