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Finding the Fourth Proportional to 364,172.70, 502,669.44 and 211,249.56

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Solution

The fourth proportional to 364,172.70, 502,669.44 and 211,249.56 is: 291,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,172.70 : 502,669.44 = 211,249.56 : x
  2. Step 2: Convert to fraction form
    364,172.70/502,669.44 = 211,249.56/x
  3. Step 3: Cross multiply
    364,172.70x = 502,669.44 × 211,249.56
  4. Step 4: Simplify right side
    364,172.70x = 106,188,698,025.45
  5. Step 5: Solve for x
    x = 106,188,698,025.45/364,172.70
  6. Step 6: Final answer
    x = 291,588.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.