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Finding the Fourth Proportional to 292,965.30, 404,290.17 and 165,641.40

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Solution

The fourth proportional to 292,965.30, 404,290.17 and 165,641.40 is: 228,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,965.30 : 404,290.17 = 165,641.40 : x
  2. Step 2: Convert to fraction form
    292,965.30/404,290.17 = 165,641.40/x
  3. Step 3: Cross multiply
    292,965.30x = 404,290.17 × 165,641.40
  4. Step 4: Simplify right side
    292,965.30x = 66,967,189,765.04
  5. Step 5: Solve for x
    x = 66,967,189,765.04/292,965.30
  6. Step 6: Final answer
    x = 228,584.03

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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.