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Finding the Fourth Proportional to 335,613.60, 503,420.40 and 113,997.60

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Solution

The fourth proportional to 335,613.60, 503,420.40 and 113,997.60 is: 170,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,613.60 : 503,420.40 = 113,997.60 : x
  2. Step 2: Convert to fraction form
    335,613.60/503,420.40 = 113,997.60/x
  3. Step 3: Cross multiply
    335,613.60x = 503,420.40 × 113,997.60
  4. Step 4: Simplify right side
    335,613.60x = 57,388,717,391.04
  5. Step 5: Solve for x
    x = 57,388,717,391.04/335,613.60
  6. Step 6: Final answer
    x = 170,996.40

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1.5x scale

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.