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Finding the Fourth Proportional to 293,452.60, 440,324.70 and 115,965.40

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Solution

The fourth proportional to 293,452.60, 440,324.70 and 115,965.40 is: 174,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,452.60 : 440,324.70 = 115,965.40 : x
  2. Step 2: Convert to fraction form
    293,452.60/440,324.70 = 115,965.40/x
  3. Step 3: Cross multiply
    293,452.60x = 440,324.70 × 115,965.40
  4. Step 4: Simplify right side
    293,452.60x = 51,062,429,965.38
  5. Step 5: Solve for x
    x = 51,062,429,965.38/293,452.60
  6. Step 6: Final answer
    x = 174,005.72

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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.