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Finding the Fourth Proportional to 435,471.88, 653,039.88 and 169,197.34

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Solution

The fourth proportional to 435,471.88, 653,039.88 and 169,197.34 is: 253,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,471.88 : 653,039.88 = 169,197.34 : x
  2. Step 2: Convert to fraction form
    435,471.88/653,039.88 = 169,197.34/x
  3. Step 3: Cross multiply
    435,471.88x = 653,039.88 × 169,197.34
  4. Step 4: Simplify right side
    435,471.88x = 110,492,610,609.92
  5. Step 5: Solve for x
    x = 110,492,610,609.92/435,471.88
  6. Step 6: Final answer
    x = 253,730.76

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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.