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Finding the Fourth Proportional to 566,530.40, 850,633.15 and 378,164.36

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Solution

The fourth proportional to 566,530.40, 850,633.15 and 378,164.36 is: 567,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,530.40 : 850,633.15 = 378,164.36 : x
  2. Step 2: Convert to fraction form
    566,530.40/850,633.15 = 378,164.36/x
  3. Step 3: Cross multiply
    566,530.40x = 850,633.15 × 378,164.36
  4. Step 4: Simplify right side
    566,530.40x = 321,679,138,873.71
  5. Step 5: Solve for x
    x = 321,679,138,873.71/566,530.40
  6. Step 6: Final answer
    x = 567,805.61

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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.