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Finding the Fourth Proportional to 1,974,635.01, 2,961,952.52 and 694,941.12

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Solution

The fourth proportional to 1,974,635.01, 2,961,952.52 and 694,941.12 is: 1,042,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,635.01 : 2,961,952.52 = 694,941.12 : x
  2. Step 2: Convert to fraction form
    1,974,635.01/2,961,952.52 = 694,941.12/x
  3. Step 3: Cross multiply
    1,974,635.01x = 2,961,952.52 × 694,941.12
  4. Step 4: Simplify right side
    1,974,635.01x = 2,058,382,598,160.92
  5. Step 5: Solve for x
    x = 2,058,382,598,160.92/1,974,635.01
  6. Step 6: Final answer
    x = 1,042,411.68

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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.