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Finding the Fourth Proportional to 872,069,250.36, 1,307,576,994 and 347,519,049.96

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Solution

The fourth proportional to 872,069,250.36, 1,307,576,994 and 347,519,049.96 is: 521,068,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,069,250.36 : 1,307,576,994 = 347,519,049.96 : x
  2. Step 2: Convert to fraction form
    872,069,250.36/1,307,576,994 = 347,519,049.96/x
  3. Step 3: Cross multiply
    872,069,250.36x = 1,307,576,994 × 347,519,049.96
  4. Step 4: Simplify right side
    872,069,250.36x = 454,407,914,704,432,576
  5. Step 5: Solve for x
    x = 454,407,914,704,432,576/872,069,250.36
  6. Step 6: Final answer
    x = 521,068,612.98

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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.