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Finding the Fourth Proportional to 344,957.53, 517,438.59 and 120,317.13

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Solution

The fourth proportional to 344,957.53, 517,438.59 and 120,317.13 is: 180,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,957.53 : 517,438.59 = 120,317.13 : x
  2. Step 2: Convert to fraction form
    344,957.53/517,438.59 = 120,317.13/x
  3. Step 3: Cross multiply
    344,957.53x = 517,438.59 × 120,317.13
  4. Step 4: Simplify right side
    344,957.53x = 62,256,723,512.85
  5. Step 5: Solve for x
    x = 62,256,723,512.85/344,957.53
  6. Step 6: Final answer
    x = 180,476.49

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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.