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Finding the Fourth Proportional to 551,625.60, 827,322.24 and 252,021.12

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Solution

The fourth proportional to 551,625.60, 827,322.24 and 252,021.12 is: 377,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,625.60 : 827,322.24 = 252,021.12 : x
  2. Step 2: Convert to fraction form
    551,625.60/827,322.24 = 252,021.12/x
  3. Step 3: Cross multiply
    551,625.60x = 827,322.24 × 252,021.12
  4. Step 4: Simplify right side
    551,625.60x = 208,502,677,525.71
  5. Step 5: Solve for x
    x = 208,502,677,525.71/551,625.60
  6. Step 6: Final answer
    x = 377,978.61

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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.