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Finding the Fourth Proportional to 339,920.20, 510,026.10 and 173,708.20

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Solution

The fourth proportional to 339,920.20, 510,026.10 and 173,708.20 is: 260,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,920.20 : 510,026.10 = 173,708.20 : x
  2. Step 2: Convert to fraction form
    339,920.20/510,026.10 = 173,708.20/x
  3. Step 3: Cross multiply
    339,920.20x = 510,026.10 × 173,708.20
  4. Step 4: Simplify right side
    339,920.20x = 88,595,715,784.02
  5. Step 5: Solve for x
    x = 88,595,715,784.02/339,920.20
  6. Step 6: Final answer
    x = 260,636.81

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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.