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Finding the Fourth Proportional to 346,791.40, 520,083.42 and 180,488.68

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Solution

The fourth proportional to 346,791.40, 520,083.42 and 180,488.68 is: 270,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,791.40 : 520,083.42 = 180,488.68 : x
  2. Step 2: Convert to fraction form
    346,791.40/520,083.42 = 180,488.68/x
  3. Step 3: Cross multiply
    346,791.40x = 520,083.42 × 180,488.68
  4. Step 4: Simplify right side
    346,791.40x = 93,869,169,965.69
  5. Step 5: Solve for x
    x = 93,869,169,965.69/346,791.40
  6. Step 6: Final answer
    x = 270,679.06

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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.