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Finding the Fourth Proportional to 3,110,478, 4,665,717 and 746,574

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Solution

The fourth proportional to 3,110,478, 4,665,717 and 746,574 is: 1,119,861

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,478 : 4,665,717 = 746,574 : x
  2. Step 2: Convert to fraction form
    3,110,478/4,665,717 = 746,574/x
  3. Step 3: Cross multiply
    3,110,478x = 4,665,717 × 746,574
  4. Step 4: Simplify right side
    3,110,478x = 3,483,303,003,558
  5. Step 5: Solve for x
    x = 3,483,303,003,558/3,110,478
  6. Step 6: Final answer
    x = 1,119,861

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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.