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Finding the Fourth Proportional to 295,397.19, 407,663.42 and 168,091.11

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Solution

The fourth proportional to 295,397.19, 407,663.42 and 168,091.11 is: 231,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,397.19 : 407,663.42 = 168,091.11 : x
  2. Step 2: Convert to fraction form
    295,397.19/407,663.42 = 168,091.11/x
  3. Step 3: Cross multiply
    295,397.19x = 407,663.42 × 168,091.11
  4. Step 4: Simplify right side
    295,397.19x = 68,524,595,933.74
  5. Step 5: Solve for x
    x = 68,524,595,933.74/295,397.19
  6. Step 6: Final answer
    x = 231,974.43

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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.