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Finding the Fourth Proportional to 404,525.80, 607,226.10 and 227,378.80

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Solution

The fourth proportional to 404,525.80, 607,226.10 and 227,378.80 is: 341,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,525.80 : 607,226.10 = 227,378.80 : x
  2. Step 2: Convert to fraction form
    404,525.80/607,226.10 = 227,378.80/x
  3. Step 3: Cross multiply
    404,525.80x = 607,226.10 × 227,378.80
  4. Step 4: Simplify right side
    404,525.80x = 138,070,341,946.68
  5. Step 5: Solve for x
    x = 138,070,341,946.68/404,525.80
  6. Step 6: Final answer
    x = 341,314.06

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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.