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Finding the Fourth Proportional to 1,882,927.82, 2,822,800.08 and 817,168.70

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Solution

The fourth proportional to 1,882,927.82, 2,822,800.08 and 817,168.70 is: 1,225,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,927.82 : 2,822,800.08 = 817,168.70 : x
  2. Step 2: Convert to fraction form
    1,882,927.82/2,822,800.08 = 817,168.70/x
  3. Step 3: Cross multiply
    1,882,927.82x = 2,822,800.08 × 817,168.70
  4. Step 4: Simplify right side
    1,882,927.82x = 2,306,703,871,733.50
  5. Step 5: Solve for x
    x = 2,306,703,871,733.50/1,882,927.82
  6. Step 6: Final answer
    x = 1,225,062.29

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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.