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Finding the Fourth Proportional to 335,070.43, 502,854.83 and 135,392.53

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Solution

The fourth proportional to 335,070.43, 502,854.83 and 135,392.53 is: 203,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,070.43 : 502,854.83 = 135,392.53 : x
  2. Step 2: Convert to fraction form
    335,070.43/502,854.83 = 135,392.53/x
  3. Step 3: Cross multiply
    335,070.43x = 502,854.83 × 135,392.53
  4. Step 4: Simplify right side
    335,070.43x = 68,082,787,656.42
  5. Step 5: Solve for x
    x = 68,082,787,656.42/335,070.43
  6. Step 6: Final answer
    x = 203,189.48

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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.