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Finding the Fourth Proportional to 1,815,758.97, 2,719,956.96 and 841,754.22

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Solution

The fourth proportional to 1,815,758.97, 2,719,956.96 and 841,754.22 is: 1,260,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,758.97 : 2,719,956.96 = 841,754.22 : x
  2. Step 2: Convert to fraction form
    1,815,758.97/2,719,956.96 = 841,754.22/x
  3. Step 3: Cross multiply
    1,815,758.97x = 2,719,956.96 × 841,754.22
  4. Step 4: Simplify right side
    1,815,758.97x = 2,289,535,249,298.37
  5. Step 5: Solve for x
    x = 2,289,535,249,298.37/1,815,758.97
  6. Step 6: Final answer
    x = 1,260,924.65

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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.