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Finding the Fourth Proportional to 435,361.62, 653,083.65 and 169,142.67

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Solution

The fourth proportional to 435,361.62, 653,083.65 and 169,142.67 is: 253,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,361.62 : 653,083.65 = 169,142.67 : x
  2. Step 2: Convert to fraction form
    435,361.62/653,083.65 = 169,142.67/x
  3. Step 3: Cross multiply
    435,361.62x = 653,083.65 × 169,142.67
  4. Step 4: Simplify right side
    435,361.62x = 110,464,312,294.35
  5. Step 5: Solve for x
    x = 110,464,312,294.35/435,361.62
  6. Step 6: Final answer
    x = 253,730.02

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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.