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Finding the Fourth Proportional to 308,960,302.70, 433,753,747.30 and 308,960,302.70

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Solution

The fourth proportional to 308,960,302.70, 433,753,747.30 and 308,960,302.70 is: 433,753,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,960,302.70 : 433,753,747.30 = 308,960,302.70 : x
  2. Step 2: Convert to fraction form
    308,960,302.70/433,753,747.30 = 308,960,302.70/x
  3. Step 3: Cross multiply
    308,960,302.70x = 433,753,747.30 × 308,960,302.70
  4. Step 4: Simplify right side
    308,960,302.70x = 134,012,689,063,067,312
  5. Step 5: Solve for x
    x = 134,012,689,063,067,312/308,960,302.70
  6. Step 6: Final answer
    x = 433,753,747.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.