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Finding the Fourth Proportional to 534,462.98, 737,570.90 and 305,015.70

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Solution

The fourth proportional to 534,462.98, 737,570.90 and 305,015.70 is: 420,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,462.98 : 737,570.90 = 305,015.70 : x
  2. Step 2: Convert to fraction form
    534,462.98/737,570.90 = 305,015.70/x
  3. Step 3: Cross multiply
    534,462.98x = 737,570.90 × 305,015.70
  4. Step 4: Simplify right side
    534,462.98x = 224,970,704,363.13
  5. Step 5: Solve for x
    x = 224,970,704,363.13/534,462.98
  6. Step 6: Final answer
    x = 420,928.51

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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.