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Finding the Fourth Proportional to 534,737.57, 737,937.84 and 308,383.07

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Solution

The fourth proportional to 534,737.57, 737,937.84 and 308,383.07 is: 425,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,737.57 : 737,937.84 = 308,383.07 : x
  2. Step 2: Convert to fraction form
    534,737.57/737,937.84 = 308,383.07/x
  3. Step 3: Cross multiply
    534,737.57x = 737,937.84 × 308,383.07
  4. Step 4: Simplify right side
    534,737.57x = 227,567,532,878.68
  5. Step 5: Solve for x
    x = 227,567,532,878.68/534,737.57
  6. Step 6: Final answer
    x = 425,568.63

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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.