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Finding the Fourth Proportional to 292,979, 404,299.81 and 165,657.26

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Solution

The fourth proportional to 292,979, 404,299.81 and 165,657.26 is: 228,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,979 : 404,299.81 = 165,657.26 : x
  2. Step 2: Convert to fraction form
    292,979/404,299.81 = 165,657.26/x
  3. Step 3: Cross multiply
    292,979x = 404,299.81 × 165,657.26
  4. Step 4: Simplify right side
    292,979x = 66,975,198,743.12
  5. Step 5: Solve for x
    x = 66,975,198,743.12/292,979
  6. Step 6: Final answer
    x = 228,600.68

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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.