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Finding the Fourth Proportional to 334,993.80, 502,317.90 and 124,523.40

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Solution

The fourth proportional to 334,993.80, 502,317.90 and 124,523.40 is: 186,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,993.80 : 502,317.90 = 124,523.40 : x
  2. Step 2: Convert to fraction form
    334,993.80/502,317.90 = 124,523.40/x
  3. Step 3: Cross multiply
    334,993.80x = 502,317.90 × 124,523.40
  4. Step 4: Simplify right side
    334,993.80x = 62,550,332,788.86
  5. Step 5: Solve for x
    x = 62,550,332,788.86/334,993.80
  6. Step 6: Final answer
    x = 186,720.87

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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.