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Finding the Fourth Proportional to 534,625.77, 737,601.93 and 305,018.13

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Solution

The fourth proportional to 534,625.77, 737,601.93 and 305,018.13 is: 420,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,625.77 : 737,601.93 = 305,018.13 : x
  2. Step 2: Convert to fraction form
    534,625.77/737,601.93 = 305,018.13/x
  3. Step 3: Cross multiply
    534,625.77x = 737,601.93 × 305,018.13
  4. Step 4: Simplify right side
    534,625.77x = 224,981,961,372.99
  5. Step 5: Solve for x
    x = 224,981,961,372.99/534,625.77
  6. Step 6: Final answer
    x = 420,821.39

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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.