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Finding the Fourth Proportional to 501,819.75, 751,745.46 and 291,014.82

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Solution

The fourth proportional to 501,819.75, 751,745.46 and 291,014.82 is: 435,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,819.75 : 751,745.46 = 291,014.82 : x
  2. Step 2: Convert to fraction form
    501,819.75/751,745.46 = 291,014.82/x
  3. Step 3: Cross multiply
    501,819.75x = 751,745.46 × 291,014.82
  4. Step 4: Simplify right side
    501,819.75x = 218,769,069,727.72
  5. Step 5: Solve for x
    x = 218,769,069,727.72/501,819.75
  6. Step 6: Final answer
    x = 435,951.49

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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.