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Finding the Fourth Proportional to 584,761.64, 806,926.02 and 330,137.96

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Solution

The fourth proportional to 584,761.64, 806,926.02 and 330,137.96 is: 455,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,761.64 : 806,926.02 = 330,137.96 : x
  2. Step 2: Convert to fraction form
    584,761.64/806,926.02 = 330,137.96/x
  3. Step 3: Cross multiply
    584,761.64x = 806,926.02 × 330,137.96
  4. Step 4: Simplify right side
    584,761.64x = 266,396,910,113.72
  5. Step 5: Solve for x
    x = 266,396,910,113.72/584,761.64
  6. Step 6: Final answer
    x = 455,564.95

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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.