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Finding the Fourth Proportional to 316,082,252.20, 473,485,649.10 and 316,082,252.20

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Solution

The fourth proportional to 316,082,252.20, 473,485,649.10 and 316,082,252.20 is: 473,485,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,082,252.20 : 473,485,649.10 = 316,082,252.20 : x
  2. Step 2: Convert to fraction form
    316,082,252.20/473,485,649.10 = 316,082,252.20/x
  3. Step 3: Cross multiply
    316,082,252.20x = 473,485,649.10 × 316,082,252.20
  4. Step 4: Simplify right side
    316,082,252.20x = 149,660,410,351,906,912
  5. Step 5: Solve for x
    x = 149,660,410,351,906,912/316,082,252.20
  6. Step 6: Final answer
    x = 473,485,649.10

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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.