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Finding the Fourth Proportional to 606,621.60, 909,975.60 and 185,896.80

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Solution

The fourth proportional to 606,621.60, 909,975.60 and 185,896.80 is: 278,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,621.60 : 909,975.60 = 185,896.80 : x
  2. Step 2: Convert to fraction form
    606,621.60/909,975.60 = 185,896.80/x
  3. Step 3: Cross multiply
    606,621.60x = 909,975.60 × 185,896.80
  4. Step 4: Simplify right side
    606,621.60x = 169,161,552,118.08
  5. Step 5: Solve for x
    x = 169,161,552,118.08/606,621.60
  6. Step 6: Final answer
    x = 278,858.44

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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.