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Finding the Fourth Proportional to 410,219.79, 615,300.51 and 110,717.43

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Solution

The fourth proportional to 410,219.79, 615,300.51 and 110,717.43 is: 166,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,219.79 : 615,300.51 = 110,717.43 : x
  2. Step 2: Convert to fraction form
    410,219.79/615,300.51 = 110,717.43/x
  3. Step 3: Cross multiply
    410,219.79x = 615,300.51 × 110,717.43
  4. Step 4: Simplify right side
    410,219.79x = 68,124,491,144.89
  5. Step 5: Solve for x
    x = 68,124,491,144.89/410,219.79
  6. Step 6: Final answer
    x = 166,068.27

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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.