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Finding the Fourth Proportional to 564,687.76, 779,269.70 and 335,290.85

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Solution

The fourth proportional to 564,687.76, 779,269.70 and 335,290.85 is: 462,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,687.76 : 779,269.70 = 335,290.85 : x
  2. Step 2: Convert to fraction form
    564,687.76/779,269.70 = 335,290.85/x
  3. Step 3: Cross multiply
    564,687.76x = 779,269.70 × 335,290.85
  4. Step 4: Simplify right side
    564,687.76x = 261,282,001,093.69
  5. Step 5: Solve for x
    x = 261,282,001,093.69/564,687.76
  6. Step 6: Final answer
    x = 462,701.73

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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.