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Finding the Fourth Proportional to 338,272.55, 507,467.45 and 113,654.89

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Solution

The fourth proportional to 338,272.55, 507,467.45 and 113,654.89 is: 170,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,272.55 : 507,467.45 = 113,654.89 : x
  2. Step 2: Convert to fraction form
    338,272.55/507,467.45 = 113,654.89/x
  3. Step 3: Cross multiply
    338,272.55x = 507,467.45 × 113,654.89
  4. Step 4: Simplify right side
    338,272.55x = 57,676,157,208.33
  5. Step 5: Solve for x
    x = 57,676,157,208.33/338,272.55
  6. Step 6: Final answer
    x = 170,502.03

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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.