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Finding the Fourth Proportional to 303,676.59, 419,124.96 and 176,426.01

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Solution

The fourth proportional to 303,676.59, 419,124.96 and 176,426.01 is: 243,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,676.59 : 419,124.96 = 176,426.01 : x
  2. Step 2: Convert to fraction form
    303,676.59/419,124.96 = 176,426.01/x
  3. Step 3: Cross multiply
    303,676.59x = 419,124.96 × 176,426.01
  4. Step 4: Simplify right side
    303,676.59x = 73,944,544,384.21
  5. Step 5: Solve for x
    x = 73,944,544,384.21/303,676.59
  6. Step 6: Final answer
    x = 243,497.68

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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.