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Finding the Fourth Proportional to 335,035.39, 502,646.88 and 135,495.90

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Solution

The fourth proportional to 335,035.39, 502,646.88 and 135,495.90 is: 203,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,035.39 : 502,646.88 = 135,495.90 : x
  2. Step 2: Convert to fraction form
    335,035.39/502,646.88 = 135,495.90/x
  3. Step 3: Cross multiply
    335,035.39x = 502,646.88 × 135,495.90
  4. Step 4: Simplify right side
    335,035.39x = 68,106,589,502.87
  5. Step 5: Solve for x
    x = 68,106,589,502.87/335,035.39
  6. Step 6: Final answer
    x = 203,281.78

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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.