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Finding the Fourth Proportional to 418,203.39, 577,101.87 and 236,911.62

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Solution

The fourth proportional to 418,203.39, 577,101.87 and 236,911.62 is: 326,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,203.39 : 577,101.87 = 236,911.62 : x
  2. Step 2: Convert to fraction form
    418,203.39/577,101.87 = 236,911.62/x
  3. Step 3: Cross multiply
    418,203.39x = 577,101.87 × 236,911.62
  4. Step 4: Simplify right side
    418,203.39x = 136,722,138,926.73
  5. Step 5: Solve for x
    x = 136,722,138,926.73/418,203.39
  6. Step 6: Final answer
    x = 326,927.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.