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Finding the Fourth Proportional to 295,646.79, 407,945.64 and 168,324.87

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Solution

The fourth proportional to 295,646.79, 407,945.64 and 168,324.87 is: 232,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,646.79 : 407,945.64 = 168,324.87 : x
  2. Step 2: Convert to fraction form
    295,646.79/407,945.64 = 168,324.87/x
  3. Step 3: Cross multiply
    295,646.79x = 407,945.64 × 168,324.87
  4. Step 4: Simplify right side
    295,646.79x = 68,667,396,820.07
  5. Step 5: Solve for x
    x = 68,667,396,820.07/295,646.79
  6. Step 6: Final answer
    x = 232,261.60

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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.