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Finding the Fourth Proportional to 445,707.34, 667,932.45 and 246,117.58

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Solution

The fourth proportional to 445,707.34, 667,932.45 and 246,117.58 is: 368,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,707.34 : 667,932.45 = 246,117.58 : x
  2. Step 2: Convert to fraction form
    445,707.34/667,932.45 = 246,117.58/x
  3. Step 3: Cross multiply
    445,707.34x = 667,932.45 × 246,117.58
  4. Step 4: Simplify right side
    445,707.34x = 164,389,918,197.47
  5. Step 5: Solve for x
    x = 164,389,918,197.47/445,707.34
  6. Step 6: Final answer
    x = 368,829.28

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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.