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Finding the Fourth Proportional to 543,900.10, 814,237.35 and 404,277.70

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Solution

The fourth proportional to 543,900.10, 814,237.35 and 404,277.70 is: 605,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,900.10 : 814,237.35 = 404,277.70 : x
  2. Step 2: Convert to fraction form
    543,900.10/814,237.35 = 404,277.70/x
  3. Step 3: Cross multiply
    543,900.10x = 814,237.35 × 404,277.70
  4. Step 4: Simplify right side
    543,900.10x = 329,178,003,112.10
  5. Step 5: Solve for x
    x = 329,178,003,112.10/543,900.10
  6. Step 6: Final answer
    x = 605,217.77

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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.