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Finding the Fourth Proportional to 472,893.20, 709,404.60 and 173,301.20

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Solution

The fourth proportional to 472,893.20, 709,404.60 and 173,301.20 is: 259,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,893.20 : 709,404.60 = 173,301.20 : x
  2. Step 2: Convert to fraction form
    472,893.20/709,404.60 = 173,301.20/x
  3. Step 3: Cross multiply
    472,893.20x = 709,404.60 × 173,301.20
  4. Step 4: Simplify right side
    472,893.20x = 122,940,668,465.52
  5. Step 5: Solve for x
    x = 122,940,668,465.52/472,893.20
  6. Step 6: Final answer
    x = 259,975.55

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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.