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Finding the Fourth Proportional to 435,662.91, 653,534.69 and 169,443.63

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Solution

The fourth proportional to 435,662.91, 653,534.69 and 169,443.63 is: 254,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,662.91 : 653,534.69 = 169,443.63 : x
  2. Step 2: Convert to fraction form
    435,662.91/653,534.69 = 169,443.63/x
  3. Step 3: Cross multiply
    435,662.91x = 653,534.69 × 169,443.63
  4. Step 4: Simplify right side
    435,662.91x = 110,737,289,357.31
  5. Step 5: Solve for x
    x = 110,737,289,357.31/435,662.91
  6. Step 6: Final answer
    x = 254,181.13

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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.