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Finding the Fourth Proportional to 665,822.88, 998,267.76 and 245,044.08

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Solution

The fourth proportional to 665,822.88, 998,267.76 and 245,044.08 is: 367,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,822.88 : 998,267.76 = 245,044.08 : x
  2. Step 2: Convert to fraction form
    665,822.88/998,267.76 = 245,044.08/x
  3. Step 3: Cross multiply
    665,822.88x = 998,267.76 × 245,044.08
  4. Step 4: Simplify right side
    665,822.88x = 244,619,604,842.86
  5. Step 5: Solve for x
    x = 244,619,604,842.86/665,822.88
  6. Step 6: Final answer
    x = 367,394.41

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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.