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Finding the Fourth Proportional to 529,843.69, 731,203.49 and 303,532.93

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Solution

The fourth proportional to 529,843.69, 731,203.49 and 303,532.93 is: 418,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,843.69 : 731,203.49 = 303,532.93 : x
  2. Step 2: Convert to fraction form
    529,843.69/731,203.49 = 303,532.93/x
  3. Step 3: Cross multiply
    529,843.69x = 731,203.49 × 303,532.93
  4. Step 4: Simplify right side
    529,843.69x = 221,944,337,745.93
  5. Step 5: Solve for x
    x = 221,944,337,745.93/529,843.69
  6. Step 6: Final answer
    x = 418,886.44

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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.