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Finding the Fourth Proportional to 436,117.77, 654,168.45 and 237,700.83

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Solution

The fourth proportional to 436,117.77, 654,168.45 and 237,700.83 is: 356,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,117.77 : 654,168.45 = 237,700.83 : x
  2. Step 2: Convert to fraction form
    436,117.77/654,168.45 = 237,700.83/x
  3. Step 3: Cross multiply
    436,117.77x = 654,168.45 × 237,700.83
  4. Step 4: Simplify right side
    436,117.77x = 155,496,383,524.81
  5. Step 5: Solve for x
    x = 155,496,383,524.81/436,117.77
  6. Step 6: Final answer
    x = 356,546.77

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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.