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Finding the Fourth Proportional to 526,165.74, 789,003.21 and 273,378.27

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Solution

The fourth proportional to 526,165.74, 789,003.21 and 273,378.27 is: 409,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,165.74 : 789,003.21 = 273,378.27 : x
  2. Step 2: Convert to fraction form
    526,165.74/789,003.21 = 273,378.27/x
  3. Step 3: Cross multiply
    526,165.74x = 789,003.21 × 273,378.27
  4. Step 4: Simplify right side
    526,165.74x = 215,696,332,574.25
  5. Step 5: Solve for x
    x = 215,696,332,574.25/526,165.74
  6. Step 6: Final answer
    x = 409,939.90

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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.