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Finding the Fourth Proportional to 545,175.92, 752,329.76 and 303,453.29

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Solution

The fourth proportional to 545,175.92, 752,329.76 and 303,453.29 is: 418,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,175.92 : 752,329.76 = 303,453.29 : x
  2. Step 2: Convert to fraction form
    545,175.92/752,329.76 = 303,453.29/x
  3. Step 3: Cross multiply
    545,175.92x = 752,329.76 × 303,453.29
  4. Step 4: Simplify right side
    545,175.92x = 228,296,936,968.61
  5. Step 5: Solve for x
    x = 228,296,936,968.61/545,175.92
  6. Step 6: Final answer
    x = 418,758.29

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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.