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Finding the Fourth Proportional to 463,528.62, 639,616.64 and 259,551.18

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Solution

The fourth proportional to 463,528.62, 639,616.64 and 259,551.18 is: 358,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,528.62 : 639,616.64 = 259,551.18 : x
  2. Step 2: Convert to fraction form
    463,528.62/639,616.64 = 259,551.18/x
  3. Step 3: Cross multiply
    463,528.62x = 639,616.64 × 259,551.18
  4. Step 4: Simplify right side
    463,528.62x = 166,013,252,361.88
  5. Step 5: Solve for x
    x = 166,013,252,361.88/463,528.62
  6. Step 6: Final answer
    x = 358,151.03

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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.