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Finding the Fourth Proportional to 435,603.82, 653,574.76 and 169,551.22

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Solution

The fourth proportional to 435,603.82, 653,574.76 and 169,551.22 is: 254,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,603.82 : 653,574.76 = 169,551.22 : x
  2. Step 2: Convert to fraction form
    435,603.82/653,574.76 = 169,551.22/x
  3. Step 3: Cross multiply
    435,603.82x = 653,574.76 × 169,551.22
  4. Step 4: Simplify right side
    435,603.82x = 110,814,397,919.21
  5. Step 5: Solve for x
    x = 110,814,397,919.21/435,603.82
  6. Step 6: Final answer
    x = 254,392.62

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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.