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Finding the Fourth Proportional to 566,838.35, 850,257.53 and 389,891.15

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Solution

The fourth proportional to 566,838.35, 850,257.53 and 389,891.15 is: 584,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,838.35 : 850,257.53 = 389,891.15 : x
  2. Step 2: Convert to fraction form
    566,838.35/850,257.53 = 389,891.15/x
  3. Step 3: Cross multiply
    566,838.35x = 850,257.53 × 389,891.15
  4. Step 4: Simplify right side
    566,838.35x = 331,507,884,218.40
  5. Step 5: Solve for x
    x = 331,507,884,218.40/566,838.35
  6. Step 6: Final answer
    x = 584,836.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.