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Finding the Fourth Proportional to 1,828,895.05, 2,744,193.72 and 818,700.45

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Solution

The fourth proportional to 1,828,895.05, 2,744,193.72 and 818,700.45 is: 1,228,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,895.05 : 2,744,193.72 = 818,700.45 : x
  2. Step 2: Convert to fraction form
    1,828,895.05/2,744,193.72 = 818,700.45/x
  3. Step 3: Cross multiply
    1,828,895.05x = 2,744,193.72 × 818,700.45
  4. Step 4: Simplify right side
    1,828,895.05x = 2,246,672,633,451.17
  5. Step 5: Solve for x
    x = 2,246,672,633,451.17/1,828,895.05
  6. Step 6: Final answer
    x = 1,228,431.69

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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.