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Finding the Fourth Proportional to 295,592.78, 407,918.40 and 168,268.26

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Solution

The fourth proportional to 295,592.78, 407,918.40 and 168,268.26 is: 232,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,592.78 : 407,918.40 = 168,268.26 : x
  2. Step 2: Convert to fraction form
    295,592.78/407,918.40 = 168,268.26/x
  3. Step 3: Cross multiply
    295,592.78x = 407,918.40 × 168,268.26
  4. Step 4: Simplify right side
    295,592.78x = 68,639,719,389.98
  5. Step 5: Solve for x
    x = 68,639,719,389.98/295,592.78
  6. Step 6: Final answer
    x = 232,210.41

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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.