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Finding the Fourth Proportional to 564,398,467.22, 778,694,167.12 and 326,156,857.62

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Solution

The fourth proportional to 564,398,467.22, 778,694,167.12 and 326,156,857.62 is: 449,994,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,398,467.22 : 778,694,167.12 = 326,156,857.62 : x
  2. Step 2: Convert to fraction form
    564,398,467.22/778,694,167.12 = 326,156,857.62/x
  3. Step 3: Cross multiply
    564,398,467.22x = 778,694,167.12 × 326,156,857.62
  4. Step 4: Simplify right side
    564,398,467.22x = 253,976,442,594,882,336
  5. Step 5: Solve for x
    x = 253,976,442,594,882,336/564,398,467.22
  6. Step 6: Final answer
    x = 449,994,919.10

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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.