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Finding the Fourth Proportional to 437,327.09, 603,560.41 and 243,752.47

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Solution

The fourth proportional to 437,327.09, 603,560.41 and 243,752.47 is: 336,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,327.09 : 603,560.41 = 243,752.47 : x
  2. Step 2: Convert to fraction form
    437,327.09/603,560.41 = 243,752.47/x
  3. Step 3: Cross multiply
    437,327.09x = 603,560.41 × 243,752.47
  4. Step 4: Simplify right side
    437,327.09x = 147,119,342,008.46
  5. Step 5: Solve for x
    x = 147,119,342,008.46/437,327.09
  6. Step 6: Final answer
    x = 336,405.73

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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.