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Finding the Fourth Proportional to 482,602.73, 666,071.78 and 267,811.79

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Solution

The fourth proportional to 482,602.73, 666,071.78 and 267,811.79 is: 369,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,602.73 : 666,071.78 = 267,811.79 : x
  2. Step 2: Convert to fraction form
    482,602.73/666,071.78 = 267,811.79/x
  3. Step 3: Cross multiply
    482,602.73x = 666,071.78 × 267,811.79
  4. Step 4: Simplify right side
    482,602.73x = 178,381,871,000.87
  5. Step 5: Solve for x
    x = 178,381,871,000.87/482,602.73
  6. Step 6: Final answer
    x = 369,624.67

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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.