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Finding the Fourth Proportional to 1,665,415, 2,498,191.64 and 483,463

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Solution

The fourth proportional to 1,665,415, 2,498,191.64 and 483,463 is: 725,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,415 : 2,498,191.64 = 483,463 : x
  2. Step 2: Convert to fraction form
    1,665,415/2,498,191.64 = 483,463/x
  3. Step 3: Cross multiply
    1,665,415x = 2,498,191.64 × 483,463
  4. Step 4: Simplify right side
    1,665,415x = 1,207,783,224,849.32
  5. Step 5: Solve for x
    x = 1,207,783,224,849.32/1,665,415
  6. Step 6: Final answer
    x = 725,214.57

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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.