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Finding the Fourth Proportional to 344,980.22, 517,472.75 and 120,339.68

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Solution

The fourth proportional to 344,980.22, 517,472.75 and 120,339.68 is: 180,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,980.22 : 517,472.75 = 120,339.68 : x
  2. Step 2: Convert to fraction form
    344,980.22/517,472.75 = 120,339.68/x
  3. Step 3: Cross multiply
    344,980.22x = 517,472.75 × 120,339.68
  4. Step 4: Simplify right side
    344,980.22x = 62,272,502,857.21
  5. Step 5: Solve for x
    x = 62,272,502,857.21/344,980.22
  6. Step 6: Final answer
    x = 180,510.36

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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.