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Finding the Fourth Proportional to 475,993,820.60, 713,990,730.90 and 330,874,998.20

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Solution

The fourth proportional to 475,993,820.60, 713,990,730.90 and 330,874,998.20 is: 496,312,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,993,820.60 : 713,990,730.90 = 330,874,998.20 : x
  2. Step 2: Convert to fraction form
    475,993,820.60/713,990,730.90 = 330,874,998.20/x
  3. Step 3: Cross multiply
    475,993,820.60x = 713,990,730.90 × 330,874,998.20
  4. Step 4: Simplify right side
    475,993,820.60x = 236,241,681,801,354,176
  5. Step 5: Solve for x
    x = 236,241,681,801,354,176/475,993,820.60
  6. Step 6: Final answer
    x = 496,312,497.30

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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.