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Finding the Fourth Proportional to 518,106.57, 777,230.58 and 181,069.02

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Solution

The fourth proportional to 518,106.57, 777,230.58 and 181,069.02 is: 271,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,106.57 : 777,230.58 = 181,069.02 : x
  2. Step 2: Convert to fraction form
    518,106.57/777,230.58 = 181,069.02/x
  3. Step 3: Cross multiply
    518,106.57x = 777,230.58 × 181,069.02
  4. Step 4: Simplify right side
    518,106.57x = 140,732,379,434.63
  5. Step 5: Solve for x
    x = 140,732,379,434.63/518,106.57
  6. Step 6: Final answer
    x = 271,628.25

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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.