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Finding the Fourth Proportional to 297,344.52, 446,175.54 and 139,574.34

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Solution

The fourth proportional to 297,344.52, 446,175.54 and 139,574.34 is: 209,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,344.52 : 446,175.54 = 139,574.34 : x
  2. Step 2: Convert to fraction form
    297,344.52/446,175.54 = 139,574.34/x
  3. Step 3: Cross multiply
    297,344.52x = 446,175.54 × 139,574.34
  4. Step 4: Simplify right side
    297,344.52x = 62,274,656,519.64
  5. Step 5: Solve for x
    x = 62,274,656,519.64/297,344.52
  6. Step 6: Final answer
    x = 209,436.03

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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.