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Finding the Fourth Proportional to 1,818,154, 2,727,624.66 and 696,223

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Solution

The fourth proportional to 1,818,154, 2,727,624.66 and 696,223 is: 1,044,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,154 : 2,727,624.66 = 696,223 : x
  2. Step 2: Convert to fraction form
    1,818,154/2,727,624.66 = 696,223/x
  3. Step 3: Cross multiply
    1,818,154x = 2,727,624.66 × 696,223
  4. Step 4: Simplify right side
    1,818,154x = 1,899,035,023,659.18
  5. Step 5: Solve for x
    x = 1,899,035,023,659.18/1,818,154
  6. Step 6: Final answer
    x = 1,044,485.24

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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.