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Finding the Fourth Proportional to 295,592.78, 407,918.40 and 168,268.25

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Solution

The fourth proportional to 295,592.78, 407,918.40 and 168,268.25 is: 232,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,592.78 : 407,918.40 = 168,268.25 : x
  2. Step 2: Convert to fraction form
    295,592.78/407,918.40 = 168,268.25/x
  3. Step 3: Cross multiply
    295,592.78x = 407,918.40 × 168,268.25
  4. Step 4: Simplify right side
    295,592.78x = 68,639,715,310.80
  5. Step 5: Solve for x
    x = 68,639,715,310.80/295,592.78
  6. Step 6: Final answer
    x = 232,210.39

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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.