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Finding the Fourth Proportional to 335,037.42, 502,630.25 and 110,388.78

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Solution

The fourth proportional to 335,037.42, 502,630.25 and 110,388.78 is: 165,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,037.42 : 502,630.25 = 110,388.78 : x
  2. Step 2: Convert to fraction form
    335,037.42/502,630.25 = 110,388.78/x
  3. Step 3: Cross multiply
    335,037.42x = 502,630.25 × 110,388.78
  4. Step 4: Simplify right side
    335,037.42x = 55,484,739,536.65
  5. Step 5: Solve for x
    x = 55,484,739,536.65/335,037.42
  6. Step 6: Final answer
    x = 165,607.59

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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.