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Finding the Fourth Proportional to 552,456.36, 762,397.65 and 326,101.86

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Solution

The fourth proportional to 552,456.36, 762,397.65 and 326,101.86 is: 450,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,456.36 : 762,397.65 = 326,101.86 : x
  2. Step 2: Convert to fraction form
    552,456.36/762,397.65 = 326,101.86/x
  3. Step 3: Cross multiply
    552,456.36x = 762,397.65 × 326,101.86
  4. Step 4: Simplify right side
    552,456.36x = 248,619,291,724.63
  5. Step 5: Solve for x
    x = 248,619,291,724.63/552,456.36
  6. Step 6: Final answer
    x = 450,025.21

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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.