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Finding the Fourth Proportional to 632,761.82, 873,618.84 and 564,661.67

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Solution

The fourth proportional to 632,761.82, 873,618.84 and 564,661.67 is: 779,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,761.82 : 873,618.84 = 564,661.67 : x
  2. Step 2: Convert to fraction form
    632,761.82/873,618.84 = 564,661.67/x
  3. Step 3: Cross multiply
    632,761.82x = 873,618.84 × 564,661.67
  4. Step 4: Simplify right side
    632,761.82x = 493,299,075,321.91
  5. Step 5: Solve for x
    x = 493,299,075,321.91/632,761.82
  6. Step 6: Final answer
    x = 779,596.78

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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.