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Finding the Fourth Proportional to 534,423.87, 737,516.88 and 304,976.59

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Solution

The fourth proportional to 534,423.87, 737,516.88 and 304,976.59 is: 420,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,423.87 : 737,516.88 = 304,976.59 : x
  2. Step 2: Convert to fraction form
    534,423.87/737,516.88 = 304,976.59/x
  3. Step 3: Cross multiply
    534,423.87x = 737,516.88 × 304,976.59
  4. Step 4: Simplify right side
    534,423.87x = 224,925,383,765.82
  5. Step 5: Solve for x
    x = 224,925,383,765.82/534,423.87
  6. Step 6: Final answer
    x = 420,874.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.