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Finding the Fourth Proportional to 248,884.80, 374,248.80 and 208,334.40

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Solution

The fourth proportional to 248,884.80, 374,248.80 and 208,334.40 is: 313,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,884.80 : 374,248.80 = 208,334.40 : x
  2. Step 2: Convert to fraction form
    248,884.80/374,248.80 = 208,334.40/x
  3. Step 3: Cross multiply
    248,884.80x = 374,248.80 × 208,334.40
  4. Step 4: Simplify right side
    248,884.80x = 77,968,899,198.72
  5. Step 5: Solve for x
    x = 77,968,899,198.72/248,884.80
  6. Step 6: Final answer
    x = 313,273.05

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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.