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Finding the Fourth Proportional to 503,759.21, 755,354.50 and 188,087.63

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Solution

The fourth proportional to 503,759.21, 755,354.50 and 188,087.63 is: 282,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,759.21 : 755,354.50 = 188,087.63 : x
  2. Step 2: Convert to fraction form
    503,759.21/755,354.50 = 188,087.63/x
  3. Step 3: Cross multiply
    503,759.21x = 755,354.50 × 188,087.63
  4. Step 4: Simplify right side
    503,759.21x = 142,072,833,467.84
  5. Step 5: Solve for x
    x = 142,072,833,467.84/503,759.21
  6. Step 6: Final answer
    x = 282,025.29

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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.