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Finding the Fourth Proportional to 482,297.60, 723,537.12 and 194,131.28

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Solution

The fourth proportional to 482,297.60, 723,537.12 and 194,131.28 is: 291,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,297.60 : 723,537.12 = 194,131.28 : x
  2. Step 2: Convert to fraction form
    482,297.60/723,537.12 = 194,131.28/x
  3. Step 3: Cross multiply
    482,297.60x = 723,537.12 × 194,131.28
  4. Step 4: Simplify right side
    482,297.60x = 140,461,187,233.11
  5. Step 5: Solve for x
    x = 140,461,187,233.11/482,297.60
  6. Step 6: Final answer
    x = 291,233.44

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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.