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Finding the Fourth Proportional to 362,720.89, 500,586.65 and 201,608.65

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Solution

The fourth proportional to 362,720.89, 500,586.65 and 201,608.65 is: 278,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,720.89 : 500,586.65 = 201,608.65 : x
  2. Step 2: Convert to fraction form
    362,720.89/500,586.65 = 201,608.65/x
  3. Step 3: Cross multiply
    362,720.89x = 500,586.65 × 201,608.65
  4. Step 4: Simplify right side
    362,720.89x = 100,922,598,714.52
  5. Step 5: Solve for x
    x = 100,922,598,714.52/362,720.89
  6. Step 6: Final answer
    x = 278,237.62

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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.