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Finding the Fourth Proportional to 3,328,747.04, 4,992,933.30 and 899,864.39

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Solution

The fourth proportional to 3,328,747.04, 4,992,933.30 and 899,864.39 is: 1,349,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,747.04 : 4,992,933.30 = 899,864.39 : x
  2. Step 2: Convert to fraction form
    3,328,747.04/4,992,933.30 = 899,864.39/x
  3. Step 3: Cross multiply
    3,328,747.04x = 4,992,933.30 × 899,864.39
  4. Step 4: Simplify right side
    3,328,747.04x = 4,492,962,864,399.52
  5. Step 5: Solve for x
    x = 4,492,962,864,399.52/3,328,747.04
  6. Step 6: Final answer
    x = 1,349,745.96

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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.