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Finding the Fourth Proportional to 534,900.88, 802,401.10 and 193,429.89

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Solution

The fourth proportional to 534,900.88, 802,401.10 and 193,429.89 is: 290,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,900.88 : 802,401.10 = 193,429.89 : x
  2. Step 2: Convert to fraction form
    534,900.88/802,401.10 = 193,429.89/x
  3. Step 3: Cross multiply
    534,900.88x = 802,401.10 × 193,429.89
  4. Step 4: Simplify right side
    534,900.88x = 155,208,356,025.30
  5. Step 5: Solve for x
    x = 155,208,356,025.30/534,900.88
  6. Step 6: Final answer
    x = 290,162.84

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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.