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Finding the Fourth Proportional to 530,230.28, 795,803.76 and 277,687.46

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Solution

The fourth proportional to 530,230.28, 795,803.76 and 277,687.46 is: 416,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,230.28 : 795,803.76 = 277,687.46 : x
  2. Step 2: Convert to fraction form
    530,230.28/795,803.76 = 277,687.46/x
  3. Step 3: Cross multiply
    530,230.28x = 795,803.76 × 277,687.46
  4. Step 4: Simplify right side
    530,230.28x = 220,984,720,793.83
  5. Step 5: Solve for x
    x = 220,984,720,793.83/530,230.28
  6. Step 6: Final answer
    x = 416,771.22

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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.