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Finding the Fourth Proportional to 404,105.44, 606,254.64 and 123,622.24

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Solution

The fourth proportional to 404,105.44, 606,254.64 and 123,622.24 is: 185,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,105.44 : 606,254.64 = 123,622.24 : x
  2. Step 2: Convert to fraction form
    404,105.44/606,254.64 = 123,622.24/x
  3. Step 3: Cross multiply
    404,105.44x = 606,254.64 × 123,622.24
  4. Step 4: Simplify right side
    404,105.44x = 74,946,556,607.19
  5. Step 5: Solve for x
    x = 74,946,556,607.19/404,105.44
  6. Step 6: Final answer
    x = 185,462.87

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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.