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Finding the Fourth Proportional to 803,756, 1,109,183.28 and 446,060

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Solution

The fourth proportional to 803,756, 1,109,183.28 and 446,060 is: 615,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,756 : 1,109,183.28 = 446,060 : x
  2. Step 2: Convert to fraction form
    803,756/1,109,183.28 = 446,060/x
  3. Step 3: Cross multiply
    803,756x = 1,109,183.28 × 446,060
  4. Step 4: Simplify right side
    803,756x = 494,762,293,876.80
  5. Step 5: Solve for x
    x = 494,762,293,876.80/803,756
  6. Step 6: Final answer
    x = 615,562.80

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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.