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Finding the Fourth Proportional to 436,781.56, 655,332.54 and 184,125.64

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Solution

The fourth proportional to 436,781.56, 655,332.54 and 184,125.64 is: 276,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,781.56 : 655,332.54 = 184,125.64 : x
  2. Step 2: Convert to fraction form
    436,781.56/655,332.54 = 184,125.64/x
  3. Step 3: Cross multiply
    436,781.56x = 655,332.54 × 184,125.64
  4. Step 4: Simplify right side
    436,781.56x = 120,663,523,340.33
  5. Step 5: Solve for x
    x = 120,663,523,340.33/436,781.56
  6. Step 6: Final answer
    x = 276,255.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.