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Finding the Fourth Proportional to 418,202.64, 577,100.84 and 236,910.87

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Solution

The fourth proportional to 418,202.64, 577,100.84 and 236,910.87 is: 326,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,202.64 : 577,100.84 = 236,910.87 : x
  2. Step 2: Convert to fraction form
    418,202.64/577,100.84 = 236,910.87/x
  3. Step 3: Cross multiply
    418,202.64x = 577,100.84 × 236,910.87
  4. Step 4: Simplify right side
    418,202.64x = 136,721,460,897.58
  5. Step 5: Solve for x
    x = 136,721,460,897.58/418,202.64
  6. Step 6: Final answer
    x = 326,926.35

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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.