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Finding the Fourth Proportional to 303,063.71, 418,199.37 and 175,725.50

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Solution

The fourth proportional to 303,063.71, 418,199.37 and 175,725.50 is: 242,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,063.71 : 418,199.37 = 175,725.50 : x
  2. Step 2: Convert to fraction form
    303,063.71/418,199.37 = 175,725.50/x
  3. Step 3: Cross multiply
    303,063.71x = 418,199.37 × 175,725.50
  4. Step 4: Simplify right side
    303,063.71x = 73,488,293,392.94
  5. Step 5: Solve for x
    x = 73,488,293,392.94/303,063.71
  6. Step 6: Final answer
    x = 242,484.64

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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.