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Finding the Fourth Proportional to 530,759.84, 794,269.92 and 331,174.24

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Solution

The fourth proportional to 530,759.84, 794,269.92 and 331,174.24 is: 495,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,759.84 : 794,269.92 = 331,174.24 : x
  2. Step 2: Convert to fraction form
    530,759.84/794,269.92 = 331,174.24/x
  3. Step 3: Cross multiply
    530,759.84x = 794,269.92 × 331,174.24
  4. Step 4: Simplify right side
    530,759.84x = 263,041,737,110.86
  5. Step 5: Solve for x
    x = 263,041,737,110.86/530,759.84
  6. Step 6: Final answer
    x = 495,594.65

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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.