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Finding the Fourth Proportional to 545,901.51, 818,231.10 and 332,198.10

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Solution

The fourth proportional to 545,901.51, 818,231.10 and 332,198.10 is: 497,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,901.51 : 818,231.10 = 332,198.10 : x
  2. Step 2: Convert to fraction form
    545,901.51/818,231.10 = 332,198.10/x
  3. Step 3: Cross multiply
    545,901.51x = 818,231.10 × 332,198.10
  4. Step 4: Simplify right side
    545,901.51x = 271,814,816,780.91
  5. Step 5: Solve for x
    x = 271,814,816,780.91/545,901.51
  6. Step 6: Final answer
    x = 497,919.15

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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.