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Finding the Fourth Proportional to 374,144.46, 515,269.71 and 350,130.66

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Solution

The fourth proportional to 374,144.46, 515,269.71 and 350,130.66 is: 482,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,144.46 : 515,269.71 = 350,130.66 : x
  2. Step 2: Convert to fraction form
    374,144.46/515,269.71 = 350,130.66/x
  3. Step 3: Cross multiply
    374,144.46x = 515,269.71 × 350,130.66
  4. Step 4: Simplify right side
    374,144.46x = 180,411,723,640.31
  5. Step 5: Solve for x
    x = 180,411,723,640.31/374,144.46
  6. Step 6: Final answer
    x = 482,198.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.