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Finding the Fourth Proportional to 262,795,089.49, 362,659,573.29 and 145,328,323.30

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Solution

The fourth proportional to 262,795,089.49, 362,659,573.29 and 145,328,323.30 is: 200,554,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,795,089.49 : 362,659,573.29 = 145,328,323.30 : x
  2. Step 2: Convert to fraction form
    262,795,089.49/362,659,573.29 = 145,328,323.30/x
  3. Step 3: Cross multiply
    262,795,089.49x = 362,659,573.29 × 145,328,323.30
  4. Step 4: Simplify right side
    262,795,089.49x = 52,704,707,714,929,176
  5. Step 5: Solve for x
    x = 52,704,707,714,929,176/262,795,089.49
  6. Step 6: Final answer
    x = 200,554,385.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.