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Finding the Fourth Proportional to 326,825.64, 451,068.48 and 199,574.64

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Solution

The fourth proportional to 326,825.64, 451,068.48 and 199,574.64 is: 275,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,825.64 : 451,068.48 = 199,574.64 : x
  2. Step 2: Convert to fraction form
    326,825.64/451,068.48 = 199,574.64/x
  3. Step 3: Cross multiply
    326,825.64x = 451,068.48 × 199,574.64
  4. Step 4: Simplify right side
    326,825.64x = 90,021,829,511.35
  5. Step 5: Solve for x
    x = 90,021,829,511.35/326,825.64
  6. Step 6: Final answer
    x = 275,442.98

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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.