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Finding the Fourth Proportional to 501,223.60, 751,919.64 and 248,516.56

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Solution

The fourth proportional to 501,223.60, 751,919.64 and 248,516.56 is: 372,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,223.60 : 751,919.64 = 248,516.56 : x
  2. Step 2: Convert to fraction form
    501,223.60/751,919.64 = 248,516.56/x
  3. Step 3: Cross multiply
    501,223.60x = 751,919.64 × 248,516.56
  4. Step 4: Simplify right side
    501,223.60x = 186,864,482,329.24
  5. Step 5: Solve for x
    x = 186,864,482,329.24/501,223.60
  6. Step 6: Final answer
    x = 372,816.61

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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.