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Finding the Fourth Proportional to 404,394.80, 607,029.60 and 227,247.80

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Solution

The fourth proportional to 404,394.80, 607,029.60 and 227,247.80 is: 341,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,394.80 : 607,029.60 = 227,247.80 : x
  2. Step 2: Convert to fraction form
    404,394.80/607,029.60 = 227,247.80/x
  3. Step 3: Cross multiply
    404,394.80x = 607,029.60 × 227,247.80
  4. Step 4: Simplify right side
    404,394.80x = 137,946,141,134.88
  5. Step 5: Solve for x
    x = 137,946,141,134.88/404,394.80
  6. Step 6: Final answer
    x = 341,117.49

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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.