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Finding the Fourth Proportional to 564,661.60, 778,890.62 and 335,067.64

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Solution

The fourth proportional to 564,661.60, 778,890.62 and 335,067.64 is: 462,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,661.60 : 778,890.62 = 335,067.64 : x
  2. Step 2: Convert to fraction form
    564,661.60/778,890.62 = 335,067.64/x
  3. Step 3: Cross multiply
    564,661.60x = 778,890.62 × 335,067.64
  4. Step 4: Simplify right side
    564,661.60x = 260,981,041,861.54
  5. Step 5: Solve for x
    x = 260,981,041,861.54/564,661.60
  6. Step 6: Final answer
    x = 462,190.17

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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.