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Finding the Fourth Proportional to 605,872.80, 908,809.20 and 251,578.80

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Solution

The fourth proportional to 605,872.80, 908,809.20 and 251,578.80 is: 377,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,872.80 : 908,809.20 = 251,578.80 : x
  2. Step 2: Convert to fraction form
    605,872.80/908,809.20 = 251,578.80/x
  3. Step 3: Cross multiply
    605,872.80x = 908,809.20 × 251,578.80
  4. Step 4: Simplify right side
    605,872.80x = 228,637,127,964.96
  5. Step 5: Solve for x
    x = 228,637,127,964.96/605,872.80
  6. Step 6: Final answer
    x = 377,368.20

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Similar ratio
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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.