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Finding the Fourth Proportional to 248,854.80, 374,203.80 and 208,304.40

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Solution

The fourth proportional to 248,854.80, 374,203.80 and 208,304.40 is: 313,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,854.80 : 374,203.80 = 208,304.40 : x
  2. Step 2: Convert to fraction form
    248,854.80/374,203.80 = 208,304.40/x
  3. Step 3: Cross multiply
    248,854.80x = 374,203.80 × 208,304.40
  4. Step 4: Simplify right side
    248,854.80x = 77,948,298,036.72
  5. Step 5: Solve for x
    x = 77,948,298,036.72/248,854.80
  6. Step 6: Final answer
    x = 313,228.03

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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.