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Finding the Fourth Proportional to 295,235.67, 407,621.34 and 227,132.49

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Solution

The fourth proportional to 295,235.67, 407,621.34 and 227,132.49 is: 313,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,235.67 : 407,621.34 = 227,132.49 : x
  2. Step 2: Convert to fraction form
    295,235.67/407,621.34 = 227,132.49/x
  3. Step 3: Cross multiply
    295,235.67x = 407,621.34 × 227,132.49
  4. Step 4: Simplify right side
    295,235.67x = 92,584,049,931.34
  5. Step 5: Solve for x
    x = 92,584,049,931.34/295,235.67
  6. Step 6: Final answer
    x = 313,593.71

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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.