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Finding the Fourth Proportional to 371,114.79, 512,138.45 and 201,348.93

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Solution

The fourth proportional to 371,114.79, 512,138.45 and 201,348.93 is: 277,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,114.79 : 512,138.45 = 201,348.93 : x
  2. Step 2: Convert to fraction form
    371,114.79/512,138.45 = 201,348.93/x
  3. Step 3: Cross multiply
    371,114.79x = 512,138.45 × 201,348.93
  4. Step 4: Simplify right side
    371,114.79x = 103,118,527,912.61
  5. Step 5: Solve for x
    x = 103,118,527,912.61/371,114.79
  6. Step 6: Final answer
    x = 277,861.54

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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.