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Finding the Fourth Proportional to 625,465.98, 938,199 and 251,401.50

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Solution

The fourth proportional to 625,465.98, 938,199 and 251,401.50 is: 377,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,465.98 : 938,199 = 251,401.50 : x
  2. Step 2: Convert to fraction form
    625,465.98/938,199 = 251,401.50/x
  3. Step 3: Cross multiply
    625,465.98x = 938,199 × 251,401.50
  4. Step 4: Simplify right side
    625,465.98x = 235,864,635,898.50
  5. Step 5: Solve for x
    x = 235,864,635,898.50/625,465.98
  6. Step 6: Final answer
    x = 377,102.26

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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.