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Finding the Fourth Proportional to 292,761.52, 404,005.60 and 165,434.40

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Solution

The fourth proportional to 292,761.52, 404,005.60 and 165,434.40 is: 228,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,761.52 : 404,005.60 = 165,434.40 : x
  2. Step 2: Convert to fraction form
    292,761.52/404,005.60 = 165,434.40/x
  3. Step 3: Cross multiply
    292,761.52x = 404,005.60 × 165,434.40
  4. Step 4: Simplify right side
    292,761.52x = 66,836,424,032.64
  5. Step 5: Solve for x
    x = 66,836,424,032.64/292,761.52
  6. Step 6: Final answer
    x = 228,296.48

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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.