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Finding the Fourth Proportional to 362,703.67, 500,543.20 and 201,565.51

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Solution

The fourth proportional to 362,703.67, 500,543.20 and 201,565.51 is: 278,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,703.67 : 500,543.20 = 201,565.51 : x
  2. Step 2: Convert to fraction form
    362,703.67/500,543.20 = 201,565.51/x
  3. Step 3: Cross multiply
    362,703.67x = 500,543.20 × 201,565.51
  4. Step 4: Simplify right side
    362,703.67x = 100,892,245,385.03
  5. Step 5: Solve for x
    x = 100,892,245,385.03/362,703.67
  6. Step 6: Final answer
    x = 278,167.15

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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.