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Finding the Fourth Proportional to 335,043.42, 502,639.26 and 110,394.78

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Solution

The fourth proportional to 335,043.42, 502,639.26 and 110,394.78 is: 165,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,043.42 : 502,639.26 = 110,394.78 : x
  2. Step 2: Convert to fraction form
    335,043.42/502,639.26 = 110,394.78/x
  3. Step 3: Cross multiply
    335,043.42x = 502,639.26 × 110,394.78
  4. Step 4: Simplify right side
    335,043.42x = 55,488,750,527.06
  5. Step 5: Solve for x
    x = 55,488,750,527.06/335,043.42
  6. Step 6: Final answer
    x = 165,616.60

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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.