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Finding the Fourth Proportional to 365,066.86, 503,781.66 and 201,720.77

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Solution

The fourth proportional to 365,066.86, 503,781.66 and 201,720.77 is: 278,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,066.86 : 503,781.66 = 201,720.77 : x
  2. Step 2: Convert to fraction form
    365,066.86/503,781.66 = 201,720.77/x
  3. Step 3: Cross multiply
    365,066.86x = 503,781.66 × 201,720.77
  4. Step 4: Simplify right side
    365,066.86x = 101,623,224,367.08
  5. Step 5: Solve for x
    x = 101,623,224,367.08/365,066.86
  6. Step 6: Final answer
    x = 278,368.80

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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.