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Finding the Fourth Proportional to 379,510.54, 569,359.26 and 267,409.71

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Solution

The fourth proportional to 379,510.54, 569,359.26 and 267,409.71 is: 401,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,510.54 : 569,359.26 = 267,409.71 : x
  2. Step 2: Convert to fraction form
    379,510.54/569,359.26 = 267,409.71/x
  3. Step 3: Cross multiply
    379,510.54x = 569,359.26 × 267,409.71
  4. Step 4: Simplify right side
    379,510.54x = 152,252,194,602.42
  5. Step 5: Solve for x
    x = 152,252,194,602.42/379,510.54
  6. Step 6: Final answer
    x = 401,180.41

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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.