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Finding the Fourth Proportional to 344,993.77, 517,326.76 and 120,326.91

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Solution

The fourth proportional to 344,993.77, 517,326.76 and 120,326.91 is: 180,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,993.77 : 517,326.76 = 120,326.91 : x
  2. Step 2: Convert to fraction form
    344,993.77/517,326.76 = 120,326.91/x
  3. Step 3: Cross multiply
    344,993.77x = 517,326.76 × 120,326.91
  4. Step 4: Simplify right side
    344,993.77x = 62,248,330,491.11
  5. Step 5: Solve for x
    x = 62,248,330,491.11/344,993.77
  6. Step 6: Final answer
    x = 180,433.20

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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.