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Finding the Fourth Proportional to 2,970,325, 4,455,574.98 and 726,463

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Solution

The fourth proportional to 2,970,325, 4,455,574.98 and 726,463 is: 1,089,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,325 : 4,455,574.98 = 726,463 : x
  2. Step 2: Convert to fraction form
    2,970,325/4,455,574.98 = 726,463/x
  3. Step 3: Cross multiply
    2,970,325x = 4,455,574.98 × 726,463
  4. Step 4: Simplify right side
    2,970,325x = 3,236,810,366,695.74
  5. Step 5: Solve for x
    x = 3,236,810,366,695.74/2,970,325
  6. Step 6: Final answer
    x = 1,089,715.90

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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.