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Finding the Fourth Proportional to 424,784.44, 586,190.28 and 233,793.73

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Solution

The fourth proportional to 424,784.44, 586,190.28 and 233,793.73 is: 322,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,784.44 : 586,190.28 = 233,793.73 : x
  2. Step 2: Convert to fraction form
    424,784.44/586,190.28 = 233,793.73/x
  3. Step 3: Cross multiply
    424,784.44x = 586,190.28 × 233,793.73
  4. Step 4: Simplify right side
    424,784.44x = 137,047,612,050.94
  5. Step 5: Solve for x
    x = 137,047,612,050.94/424,784.44
  6. Step 6: Final answer
    x = 322,628.61

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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.