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Finding the Fourth Proportional to 507,797.84, 761,597.94 and 192,279.44

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Solution

The fourth proportional to 507,797.84, 761,597.94 and 192,279.44 is: 288,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,797.84 : 761,597.94 = 192,279.44 : x
  2. Step 2: Convert to fraction form
    507,797.84/761,597.94 = 192,279.44/x
  3. Step 3: Cross multiply
    507,797.84x = 761,597.94 × 192,279.44
  4. Step 4: Simplify right side
    507,797.84x = 146,439,625,408.35
  5. Step 5: Solve for x
    x = 146,439,625,408.35/507,797.84
  6. Step 6: Final answer
    x = 288,381.74

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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.