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Finding the Fourth Proportional to 292,916.76, 404,242.56 and 165,604.20

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Solution

The fourth proportional to 292,916.76, 404,242.56 and 165,604.20 is: 228,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,916.76 : 404,242.56 = 165,604.20 : x
  2. Step 2: Convert to fraction form
    292,916.76/404,242.56 = 165,604.20/x
  3. Step 3: Cross multiply
    292,916.76x = 404,242.56 × 165,604.20
  4. Step 4: Simplify right side
    292,916.76x = 66,944,265,754.75
  5. Step 5: Solve for x
    x = 66,944,265,754.75/292,916.76
  6. Step 6: Final answer
    x = 228,543.65

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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.