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Finding the Fourth Proportional to 564,660.60, 778,889.24 and 335,066.64

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Solution

The fourth proportional to 564,660.60, 778,889.24 and 335,066.64 is: 462,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,660.60 : 778,889.24 = 335,066.64 : x
  2. Step 2: Convert to fraction form
    564,660.60/778,889.24 = 335,066.64/x
  3. Step 3: Cross multiply
    564,660.60x = 778,889.24 × 335,066.64
  4. Step 4: Simplify right side
    564,660.60x = 260,979,800,578.95
  5. Step 5: Solve for x
    x = 260,979,800,578.95/564,660.60
  6. Step 6: Final answer
    x = 462,188.79

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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.