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Finding the Fourth Proportional to 519,694,445.86, 717,001,778.72 and 296,515,797.90

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Solution

The fourth proportional to 519,694,445.86, 717,001,778.72 and 296,515,797.90 is: 409,091,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,694,445.86 : 717,001,778.72 = 296,515,797.90 : x
  2. Step 2: Convert to fraction form
    519,694,445.86/717,001,778.72 = 296,515,797.90/x
  3. Step 3: Cross multiply
    519,694,445.86x = 717,001,778.72 × 296,515,797.90
  4. Step 4: Simplify right side
    519,694,445.86x = 212,602,354,512,880,032
  5. Step 5: Solve for x
    x = 212,602,354,512,880,032/519,694,445.86
  6. Step 6: Final answer
    x = 409,091,065.35

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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.