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Finding the Fourth Proportional to 338,387.73, 507,612.91 and 110,684.64

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Solution

The fourth proportional to 338,387.73, 507,612.91 and 110,684.64 is: 166,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,387.73 : 507,612.91 = 110,684.64 : x
  2. Step 2: Convert to fraction form
    338,387.73/507,612.91 = 110,684.64/x
  3. Step 3: Cross multiply
    338,387.73x = 507,612.91 × 110,684.64
  4. Step 4: Simplify right side
    338,387.73x = 56,184,952,202.70
  5. Step 5: Solve for x
    x = 56,184,952,202.70/338,387.73
  6. Step 6: Final answer
    x = 166,037.20

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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.