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Finding the Fourth Proportional to 534,482.69, 737,380.88 and 305,052.72

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Solution

The fourth proportional to 534,482.69, 737,380.88 and 305,052.72 is: 420,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,482.69 : 737,380.88 = 305,052.72 : x
  2. Step 2: Convert to fraction form
    534,482.69/737,380.88 = 305,052.72/x
  3. Step 3: Cross multiply
    534,482.69x = 737,380.88 × 305,052.72
  4. Step 4: Simplify right side
    534,482.69x = 224,940,039,973.50
  5. Step 5: Solve for x
    x = 224,940,039,973.50/534,482.69
  6. Step 6: Final answer
    x = 420,855.62

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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.