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Finding the Fourth Proportional to 362,653.40, 500,452.60 and 201,508.86

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Solution

The fourth proportional to 362,653.40, 500,452.60 and 201,508.86 is: 278,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,653.40 : 500,452.60 = 201,508.86 : x
  2. Step 2: Convert to fraction form
    362,653.40/500,452.60 = 201,508.86/x
  3. Step 3: Cross multiply
    362,653.40x = 500,452.60 × 201,508.86
  4. Step 4: Simplify right side
    362,653.40x = 100,845,632,910.04
  5. Step 5: Solve for x
    x = 100,845,632,910.04/362,653.40
  6. Step 6: Final answer
    x = 278,077.17

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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.