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Finding the Fourth Proportional to 334,521.80, 462,023.21 and 220,310.98

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Solution

The fourth proportional to 334,521.80, 462,023.21 and 220,310.98 is: 304,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,521.80 : 462,023.21 = 220,310.98 : x
  2. Step 2: Convert to fraction form
    334,521.80/462,023.21 = 220,310.98/x
  3. Step 3: Cross multiply
    334,521.80x = 462,023.21 × 220,310.98
  4. Step 4: Simplify right side
    334,521.80x = 101,788,786,177.85
  5. Step 5: Solve for x
    x = 101,788,786,177.85/334,521.80
  6. Step 6: Final answer
    x = 304,281.47

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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.