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Finding the Fourth Proportional to 606,214.33, 909,321.35 and 206,855.07

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Solution

The fourth proportional to 606,214.33, 909,321.35 and 206,855.07 is: 310,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,214.33 : 909,321.35 = 206,855.07 : x
  2. Step 2: Convert to fraction form
    606,214.33/909,321.35 = 206,855.07/x
  3. Step 3: Cross multiply
    606,214.33x = 909,321.35 × 206,855.07
  4. Step 4: Simplify right side
    606,214.33x = 188,097,730,472.47
  5. Step 5: Solve for x
    x = 188,097,730,472.47/606,214.33
  6. Step 6: Final answer
    x = 310,282.55

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Similar ratio
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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.