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Finding the Fourth Proportional to 506,263.28, 698,644.52 and 276,835.44

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Solution

The fourth proportional to 506,263.28, 698,644.52 and 276,835.44 is: 382,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,263.28 : 698,644.52 = 276,835.44 : x
  2. Step 2: Convert to fraction form
    506,263.28/698,644.52 = 276,835.44/x
  3. Step 3: Cross multiply
    506,263.28x = 698,644.52 × 276,835.44
  4. Step 4: Simplify right side
    506,263.28x = 193,409,563,097.79
  5. Step 5: Solve for x
    x = 193,409,563,097.79/506,263.28
  6. Step 6: Final answer
    x = 382,033.56

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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.