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Finding the Fourth Proportional to 2,981,966.90, 4,473,695.55 and 960,401.30

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Solution

The fourth proportional to 2,981,966.90, 4,473,695.55 and 960,401.30 is: 1,440,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,966.90 : 4,473,695.55 = 960,401.30 : x
  2. Step 2: Convert to fraction form
    2,981,966.90/4,473,695.55 = 960,401.30/x
  3. Step 3: Cross multiply
    2,981,966.90x = 4,473,695.55 × 960,401.30
  4. Step 4: Simplify right side
    2,981,966.90x = 4,296,543,022,024.22
  5. Step 5: Solve for x
    x = 4,296,543,022,024.22/2,981,966.90
  6. Step 6: Final answer
    x = 1,440,841.96

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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.