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Finding the Fourth Proportional to 303,063.21, 418,198.68 and 175,725

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Solution

The fourth proportional to 303,063.21, 418,198.68 and 175,725 is: 242,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,063.21 : 418,198.68 = 175,725 : x
  2. Step 2: Convert to fraction form
    303,063.21/418,198.68 = 175,725/x
  3. Step 3: Cross multiply
    303,063.21x = 418,198.68 × 175,725
  4. Step 4: Simplify right side
    303,063.21x = 73,487,963,043
  5. Step 5: Solve for x
    x = 73,487,963,043/303,063.21
  6. Step 6: Final answer
    x = 242,483.95

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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.