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Finding the Fourth Proportional to 606,284.78, 909,176.99 and 206,957.75

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Solution

The fourth proportional to 606,284.78, 909,176.99 and 206,957.75 is: 310,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,284.78 : 909,176.99 = 206,957.75 : x
  2. Step 2: Convert to fraction form
    606,284.78/909,176.99 = 206,957.75/x
  3. Step 3: Cross multiply
    606,284.78x = 909,176.99 × 206,957.75
  4. Step 4: Simplify right side
    606,284.78x = 188,161,218,621.50
  5. Step 5: Solve for x
    x = 188,161,218,621.50/606,284.78
  6. Step 6: Final answer
    x = 310,351.22

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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.