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Finding the Fourth Proportional to 435,433.85, 653,192 and 169,214.89

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Solution

The fourth proportional to 435,433.85, 653,192 and 169,214.89 is: 253,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,433.85 : 653,192 = 169,214.89 : x
  2. Step 2: Convert to fraction form
    435,433.85/653,192 = 169,214.89/x
  3. Step 3: Cross multiply
    435,433.85x = 653,192 × 169,214.89
  4. Step 4: Simplify right side
    435,433.85x = 110,529,812,428.88
  5. Step 5: Solve for x
    x = 110,529,812,428.88/435,433.85
  6. Step 6: Final answer
    x = 253,838.36

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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.