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Finding the Fourth Proportional to 1,787,559.53, 2,677,749.18 and 826,668.27

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Solution

The fourth proportional to 1,787,559.53, 2,677,749.18 and 826,668.27 is: 1,238,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,559.53 : 2,677,749.18 = 826,668.27 : x
  2. Step 2: Convert to fraction form
    1,787,559.53/2,677,749.18 = 826,668.27/x
  3. Step 3: Cross multiply
    1,787,559.53x = 2,677,749.18 × 826,668.27
  4. Step 4: Simplify right side
    1,787,559.53x = 2,213,610,279,024.51
  5. Step 5: Solve for x
    x = 2,213,610,279,024.51/1,787,559.53
  6. Step 6: Final answer
    x = 1,238,342.14

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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.