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Finding the Fourth Proportional to 292,912.76, 404,237.04 and 165,600.20

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Solution

The fourth proportional to 292,912.76, 404,237.04 and 165,600.20 is: 228,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,912.76 : 404,237.04 = 165,600.20 : x
  2. Step 2: Convert to fraction form
    292,912.76/404,237.04 = 165,600.20/x
  3. Step 3: Cross multiply
    292,912.76x = 404,237.04 × 165,600.20
  4. Step 4: Simplify right side
    292,912.76x = 66,941,734,671.41
  5. Step 5: Solve for x
    x = 66,941,734,671.41/292,912.76
  6. Step 6: Final answer
    x = 228,538.13

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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.