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Finding the Fourth Proportional to 437,524.50, 603,784.22 and 236,320.50

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Solution

The fourth proportional to 437,524.50, 603,784.22 and 236,320.50 is: 326,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,524.50 : 603,784.22 = 236,320.50 : x
  2. Step 2: Convert to fraction form
    437,524.50/603,784.22 = 236,320.50/x
  3. Step 3: Cross multiply
    437,524.50x = 603,784.22 × 236,320.50
  4. Step 4: Simplify right side
    437,524.50x = 142,686,588,762.51
  5. Step 5: Solve for x
    x = 142,686,588,762.51/437,524.50
  6. Step 6: Final answer
    x = 326,122.51

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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.