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Finding the Fourth Proportional to 247,561,350.30, 370,534,899.42 and 247,561,350.30

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Solution

The fourth proportional to 247,561,350.30, 370,534,899.42 and 247,561,350.30 is: 370,534,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,561,350.30 : 370,534,899.42 = 247,561,350.30 : x
  2. Step 2: Convert to fraction form
    247,561,350.30/370,534,899.42 = 247,561,350.30/x
  3. Step 3: Cross multiply
    247,561,350.30x = 370,534,899.42 × 247,561,350.30
  4. Step 4: Simplify right side
    247,561,350.30x = 91,730,120,033,689,888
  5. Step 5: Solve for x
    x = 91,730,120,033,689,888/247,561,350.30
  6. Step 6: Final answer
    x = 370,534,899.42

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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.