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Finding the Fourth Proportional to 1,690,016, 2,332,222.08 and 974,624

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Solution

The fourth proportional to 1,690,016, 2,332,222.08 and 974,624 is: 1,344,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,016 : 2,332,222.08 = 974,624 : x
  2. Step 2: Convert to fraction form
    1,690,016/2,332,222.08 = 974,624/x
  3. Step 3: Cross multiply
    1,690,016x = 2,332,222.08 × 974,624
  4. Step 4: Simplify right side
    1,690,016x = 2,273,039,612,497.92
  5. Step 5: Solve for x
    x = 2,273,039,612,497.92/1,690,016
  6. Step 6: Final answer
    x = 1,344,981.12

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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.