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Finding the Fourth Proportional to 1,143,992, 1,716,463.92 and 503,968.16

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Solution

The fourth proportional to 1,143,992, 1,716,463.92 and 503,968.16 is: 756,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,992 : 1,716,463.92 = 503,968.16 : x
  2. Step 2: Convert to fraction form
    1,143,992/1,716,463.92 = 503,968.16/x
  3. Step 3: Cross multiply
    1,143,992x = 1,716,463.92 × 503,968.16
  4. Step 4: Simplify right side
    1,143,992x = 865,043,163,468.79
  5. Step 5: Solve for x
    x = 865,043,163,468.79/1,143,992
  6. Step 6: Final answer
    x = 756,161.90

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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.