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Finding the Fourth Proportional to 503,712.87, 755,624.67 and 251,056.95

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Solution

The fourth proportional to 503,712.87, 755,624.67 and 251,056.95 is: 376,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,712.87 : 755,624.67 = 251,056.95 : x
  2. Step 2: Convert to fraction form
    503,712.87/755,624.67 = 251,056.95/x
  3. Step 3: Cross multiply
    503,712.87x = 755,624.67 × 251,056.95
  4. Step 4: Simplify right side
    503,712.87x = 189,704,824,994.96
  5. Step 5: Solve for x
    x = 189,704,824,994.96/503,712.87
  6. Step 6: Final answer
    x = 376,613.02

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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.