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Finding the Fourth Proportional to 338,401.77, 466,994.45 and 187,498.77

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Solution

The fourth proportional to 338,401.77, 466,994.45 and 187,498.77 is: 258,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,401.77 : 466,994.45 = 187,498.77 : x
  2. Step 2: Convert to fraction form
    338,401.77/466,994.45 = 187,498.77/x
  3. Step 3: Cross multiply
    338,401.77x = 466,994.45 × 187,498.77
  4. Step 4: Simplify right side
    338,401.77x = 87,560,882,634.66
  5. Step 5: Solve for x
    x = 87,560,882,634.66/338,401.77
  6. Step 6: Final answer
    x = 258,748.30

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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.