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Finding the Fourth Proportional to 543,996.63, 750,705.44 and 302,274.81

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Solution

The fourth proportional to 543,996.63, 750,705.44 and 302,274.81 is: 417,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,996.63 : 750,705.44 = 302,274.81 : x
  2. Step 2: Convert to fraction form
    543,996.63/750,705.44 = 302,274.81/x
  3. Step 3: Cross multiply
    543,996.63x = 750,705.44 × 302,274.81
  4. Step 4: Simplify right side
    543,996.63x = 226,919,342,730.59
  5. Step 5: Solve for x
    x = 226,919,342,730.59/543,996.63
  6. Step 6: Final answer
    x = 417,133.73

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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.