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Finding the Fourth Proportional to 1,373,437, 1,895,343.06 and 769,825

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Solution

The fourth proportional to 1,373,437, 1,895,343.06 and 769,825 is: 1,062,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,437 : 1,895,343.06 = 769,825 : x
  2. Step 2: Convert to fraction form
    1,373,437/1,895,343.06 = 769,825/x
  3. Step 3: Cross multiply
    1,373,437x = 1,895,343.06 × 769,825
  4. Step 4: Simplify right side
    1,373,437x = 1,459,082,471,164.50
  5. Step 5: Solve for x
    x = 1,459,082,471,164.50/1,373,437
  6. Step 6: Final answer
    x = 1,062,358.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.