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Finding the Fourth Proportional to 3,869,564.78, 5,804,478.38 and 1,029,679.67

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Solution

The fourth proportional to 3,869,564.78, 5,804,478.38 and 1,029,679.67 is: 1,544,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,564.78 : 5,804,478.38 = 1,029,679.67 : x
  2. Step 2: Convert to fraction form
    3,869,564.78/5,804,478.38 = 1,029,679.67/x
  3. Step 3: Cross multiply
    3,869,564.78x = 5,804,478.38 × 1,029,679.67
  4. Step 4: Simplify right side
    3,869,564.78x = 5,976,753,348,669.74
  5. Step 5: Solve for x
    x = 5,976,753,348,669.74/3,869,564.78
  6. Step 6: Final answer
    x = 1,544,554.41

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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.