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Finding the Fourth Proportional to 295,561.13, 407,884.07 and 161,425.13

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Solution

The fourth proportional to 295,561.13, 407,884.07 and 161,425.13 is: 222,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,561.13 : 407,884.07 = 161,425.13 : x
  2. Step 2: Convert to fraction form
    295,561.13/407,884.07 = 161,425.13/x
  3. Step 3: Cross multiply
    295,561.13x = 407,884.07 × 161,425.13
  4. Step 4: Simplify right side
    295,561.13x = 65,842,737,388.82
  5. Step 5: Solve for x
    x = 65,842,737,388.82/295,561.13
  6. Step 6: Final answer
    x = 222,771.98

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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.