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Finding the Fourth Proportional to 292,630.67, 403,863.11 and 165,314.46

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Solution

The fourth proportional to 292,630.67, 403,863.11 and 165,314.46 is: 228,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,630.67 : 403,863.11 = 165,314.46 : x
  2. Step 2: Convert to fraction form
    292,630.67/403,863.11 = 165,314.46/x
  3. Step 3: Cross multiply
    292,630.67x = 403,863.11 × 165,314.46
  4. Step 4: Simplify right side
    292,630.67x = 66,764,411,943.57
  5. Step 5: Solve for x
    x = 66,764,411,943.57/292,630.67
  6. Step 6: Final answer
    x = 228,152.48

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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.