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Finding the Fourth Proportional to 606,794.20, 909,972.60 and 307,175.20

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Solution

The fourth proportional to 606,794.20, 909,972.60 and 307,175.20 is: 460,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,794.20 : 909,972.60 = 307,175.20 : x
  2. Step 2: Convert to fraction form
    606,794.20/909,972.60 = 307,175.20/x
  3. Step 3: Cross multiply
    606,794.20x = 909,972.60 × 307,175.20
  4. Step 4: Simplify right side
    606,794.20x = 279,521,015,399.52
  5. Step 5: Solve for x
    x = 279,521,015,399.52/606,794.20
  6. Step 6: Final answer
    x = 460,652.09

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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.