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Finding the Fourth Proportional to 579,701.80, 869,703.90 and 224,727.40

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Solution

The fourth proportional to 579,701.80, 869,703.90 and 224,727.40 is: 337,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,701.80 : 869,703.90 = 224,727.40 : x
  2. Step 2: Convert to fraction form
    579,701.80/869,703.90 = 224,727.40/x
  3. Step 3: Cross multiply
    579,701.80x = 869,703.90 × 224,727.40
  4. Step 4: Simplify right side
    579,701.80x = 195,446,296,216.86
  5. Step 5: Solve for x
    x = 195,446,296,216.86/579,701.80
  6. Step 6: Final answer
    x = 337,149.71

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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.