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Finding the Fourth Proportional to 482,421.44, 665,661.84 and 267,527.36

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Solution

The fourth proportional to 482,421.44, 665,661.84 and 267,527.36 is: 369,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,421.44 : 665,661.84 = 267,527.36 : x
  2. Step 2: Convert to fraction form
    482,421.44/665,661.84 = 267,527.36/x
  3. Step 3: Cross multiply
    482,421.44x = 665,661.84 × 267,527.36
  4. Step 4: Simplify right side
    482,421.44x = 178,082,754,707.94
  5. Step 5: Solve for x
    x = 178,082,754,707.94/482,421.44
  6. Step 6: Final answer
    x = 369,143.53

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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.