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Finding the Fourth Proportional to 358,571,881.80, 537,857,822.70 and 327,960,880.20

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Solution

The fourth proportional to 358,571,881.80, 537,857,822.70 and 327,960,880.20 is: 491,941,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,881.80 : 537,857,822.70 = 327,960,880.20 : x
  2. Step 2: Convert to fraction form
    358,571,881.80/537,857,822.70 = 327,960,880.20/x
  3. Step 3: Cross multiply
    358,571,881.80x = 537,857,822.70 × 327,960,880.20
  4. Step 4: Simplify right side
    358,571,881.80x = 176,396,324,955,147,552
  5. Step 5: Solve for x
    x = 176,396,324,955,147,552/358,571,881.80
  6. Step 6: Final answer
    x = 491,941,320.30

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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.