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Finding the Fourth Proportional to 506,221.26, 698,586.59 and 276,793.36

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Solution

The fourth proportional to 506,221.26, 698,586.59 and 276,793.36 is: 381,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,221.26 : 698,586.59 = 276,793.36 : x
  2. Step 2: Convert to fraction form
    506,221.26/698,586.59 = 276,793.36/x
  3. Step 3: Cross multiply
    506,221.26x = 698,586.59 × 276,793.36
  4. Step 4: Simplify right side
    506,221.26x = 193,364,129,497.04
  5. Step 5: Solve for x
    x = 193,364,129,497.04/506,221.26
  6. Step 6: Final answer
    x = 381,975.52

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1.5x scale

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.