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Finding the Fourth Proportional to 1,738,299.84, 2,398,964.64 and 974,353.56

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Solution

The fourth proportional to 1,738,299.84, 2,398,964.64 and 974,353.56 is: 1,344,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,299.84 : 2,398,964.64 = 974,353.56 : x
  2. Step 2: Convert to fraction form
    1,738,299.84/2,398,964.64 = 974,353.56/x
  3. Step 3: Cross multiply
    1,738,299.84x = 2,398,964.64 × 974,353.56
  4. Step 4: Simplify right side
    1,738,299.84x = 2,337,439,737,298.12
  5. Step 5: Solve for x
    x = 2,337,439,737,298.12/1,738,299.84
  6. Step 6: Final answer
    x = 1,344,670.05

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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.