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Finding the Fourth Proportional to 584,757.64, 806,920.50 and 330,133.96

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Solution

The fourth proportional to 584,757.64, 806,920.50 and 330,133.96 is: 455,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,757.64 : 806,920.50 = 330,133.96 : x
  2. Step 2: Convert to fraction form
    584,757.64/806,920.50 = 330,133.96/x
  3. Step 3: Cross multiply
    584,757.64x = 806,920.50 × 330,133.96
  4. Step 4: Simplify right side
    584,757.64x = 266,391,860,070.18
  5. Step 5: Solve for x
    x = 266,391,860,070.18/584,757.64
  6. Step 6: Final answer
    x = 455,559.43

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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.