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Finding the Fourth Proportional to 323,525,553.45, 485,288,330.18 and 323,525,553.45

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Solution

The fourth proportional to 323,525,553.45, 485,288,330.18 and 323,525,553.45 is: 485,288,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,525,553.45 : 485,288,330.18 = 323,525,553.45 : x
  2. Step 2: Convert to fraction form
    323,525,553.45/485,288,330.18 = 323,525,553.45/x
  3. Step 3: Cross multiply
    323,525,553.45x = 485,288,330.18 × 323,525,553.45
  4. Step 4: Simplify right side
    323,525,553.45x = 157,003,175,602,693,216
  5. Step 5: Solve for x
    x = 157,003,175,602,693,216/323,525,553.45
  6. Step 6: Final answer
    x = 485,288,330.18

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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.