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Finding the Fourth Proportional to 329,151.79, 493,746.11 and 92,476

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Solution

The fourth proportional to 329,151.79, 493,746.11 and 92,476 is: 138,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,151.79 : 493,746.11 = 92,476 : x
  2. Step 2: Convert to fraction form
    329,151.79/493,746.11 = 92,476/x
  3. Step 3: Cross multiply
    329,151.79x = 493,746.11 × 92,476
  4. Step 4: Simplify right side
    329,151.79x = 45,659,665,268.36
  5. Step 5: Solve for x
    x = 45,659,665,268.36/329,151.79
  6. Step 6: Final answer
    x = 138,719.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.