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Finding the Fourth Proportional to 3,110,480, 4,665,720 and 746,576

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Solution

The fourth proportional to 3,110,480, 4,665,720 and 746,576 is: 1,119,864

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,480 : 4,665,720 = 746,576 : x
  2. Step 2: Convert to fraction form
    3,110,480/4,665,720 = 746,576/x
  3. Step 3: Cross multiply
    3,110,480x = 4,665,720 × 746,576
  4. Step 4: Simplify right side
    3,110,480x = 3,483,314,574,720
  5. Step 5: Solve for x
    x = 3,483,314,574,720/3,110,480
  6. Step 6: Final answer
    x = 1,119,864

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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.