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Finding the Fourth Proportional to 437,838.96, 603,526.80 and 322,748.64

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Solution

The fourth proportional to 437,838.96, 603,526.80 and 322,748.64 is: 444,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,838.96 : 603,526.80 = 322,748.64 : x
  2. Step 2: Convert to fraction form
    437,838.96/603,526.80 = 322,748.64/x
  3. Step 3: Cross multiply
    437,838.96x = 603,526.80 × 322,748.64
  4. Step 4: Simplify right side
    437,838.96x = 194,787,453,903.55
  5. Step 5: Solve for x
    x = 194,787,453,903.55/437,838.96
  6. Step 6: Final answer
    x = 444,883.79

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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.