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Finding the Fourth Proportional to 1,818,159, 2,727,632.16 and 696,228

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Solution

The fourth proportional to 1,818,159, 2,727,632.16 and 696,228 is: 1,044,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,159 : 2,727,632.16 = 696,228 : x
  2. Step 2: Convert to fraction form
    1,818,159/2,727,632.16 = 696,228/x
  3. Step 3: Cross multiply
    1,818,159x = 2,727,632.16 × 696,228
  4. Step 4: Simplify right side
    1,818,159x = 1,899,053,883,492.48
  5. Step 5: Solve for x
    x = 1,899,053,883,492.48/1,818,159
  6. Step 6: Final answer
    x = 1,044,492.74

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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.