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Finding the Fourth Proportional to 482,373.63, 665,631.99 and 267,513.03

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Solution

The fourth proportional to 482,373.63, 665,631.99 and 267,513.03 is: 369,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,373.63 : 665,631.99 = 267,513.03 : x
  2. Step 2: Convert to fraction form
    482,373.63/665,631.99 = 267,513.03/x
  3. Step 3: Cross multiply
    482,373.63x = 665,631.99 × 267,513.03
  4. Step 4: Simplify right side
    482,373.63x = 178,065,230,509.83
  5. Step 5: Solve for x
    x = 178,065,230,509.83/482,373.63
  6. Step 6: Final answer
    x = 369,143.79

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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.