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Finding the Fourth Proportional to 4,656,855.85, 6,986,446.32 and 1,624,265.29

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Solution

The fourth proportional to 4,656,855.85, 6,986,446.32 and 1,624,265.29 is: 2,436,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656,855.85 : 6,986,446.32 = 1,624,265.29 : x
  2. Step 2: Convert to fraction form
    4,656,855.85/6,986,446.32 = 1,624,265.29/x
  3. Step 3: Cross multiply
    4,656,855.85x = 6,986,446.32 × 1,624,265.29
  4. Step 4: Simplify right side
    4,656,855.85x = 11,347,842,258,024.23
  5. Step 5: Solve for x
    x = 11,347,842,258,024.23/4,656,855.85
  6. Step 6: Final answer
    x = 2,436,803.42

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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.