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Finding the Fourth Proportional to 543,906.10, 814,246.35 and 404,283.70

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Solution

The fourth proportional to 543,906.10, 814,246.35 and 404,283.70 is: 605,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,906.10 : 814,246.35 = 404,283.70 : x
  2. Step 2: Convert to fraction form
    543,906.10/814,246.35 = 404,283.70/x
  3. Step 3: Cross multiply
    543,906.10x = 814,246.35 × 404,283.70
  4. Step 4: Simplify right side
    543,906.10x = 329,186,527,089.50
  5. Step 5: Solve for x
    x = 329,186,527,089.50/543,906.10
  6. Step 6: Final answer
    x = 605,226.76

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1.5x scale

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.