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Finding the Fourth Proportional to 659,422.80, 987,967.80 and 566,110.80

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Solution

The fourth proportional to 659,422.80, 987,967.80 and 566,110.80 is: 848,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,422.80 : 987,967.80 = 566,110.80 : x
  2. Step 2: Convert to fraction form
    659,422.80/987,967.80 = 566,110.80/x
  3. Step 3: Cross multiply
    659,422.80x = 987,967.80 × 566,110.80
  4. Step 4: Simplify right side
    659,422.80x = 559,299,241,632.24
  5. Step 5: Solve for x
    x = 559,299,241,632.24/659,422.80
  6. Step 6: Final answer
    x = 848,164.85

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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.