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Finding the Fourth Proportional to 295,319.78, 407,323.73 and 222,725.70

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Solution

The fourth proportional to 295,319.78, 407,323.73 and 222,725.70 is: 307,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,319.78 : 407,323.73 = 222,725.70 : x
  2. Step 2: Convert to fraction form
    295,319.78/407,323.73 = 222,725.70/x
  3. Step 3: Cross multiply
    295,319.78x = 407,323.73 × 222,725.70
  4. Step 4: Simplify right side
    295,319.78x = 90,721,463,447.68
  5. Step 5: Solve for x
    x = 90,721,463,447.68/295,319.78
  6. Step 6: Final answer
    x = 307,197.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.