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Finding the Fourth Proportional to 335,042.42, 502,637.76 and 110,393.78

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Solution

The fourth proportional to 335,042.42, 502,637.76 and 110,393.78 is: 165,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,042.42 : 502,637.76 = 110,393.78 : x
  2. Step 2: Convert to fraction form
    335,042.42/502,637.76 = 110,393.78/x
  3. Step 3: Cross multiply
    335,042.42x = 502,637.76 × 110,393.78
  4. Step 4: Simplify right side
    335,042.42x = 55,488,082,297.13
  5. Step 5: Solve for x
    x = 55,488,082,297.13/335,042.42
  6. Step 6: Final answer
    x = 165,615.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.