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Finding the Fourth Proportional to 503,710.12, 755,620.54 and 251,054.21

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Solution

The fourth proportional to 503,710.12, 755,620.54 and 251,054.21 is: 376,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,710.12 : 755,620.54 = 251,054.21 : x
  2. Step 2: Convert to fraction form
    503,710.12/755,620.54 = 251,054.21/x
  3. Step 3: Cross multiply
    503,710.12x = 755,620.54 × 251,054.21
  4. Step 4: Simplify right side
    503,710.12x = 189,701,716,474.20
  5. Step 5: Solve for x
    x = 189,701,716,474.20/503,710.12
  6. Step 6: Final answer
    x = 376,608.91

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Similar ratio
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1.5x scale

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.