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Finding the Fourth Proportional to 437,236.74, 603,665.28 and 356,856.03

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Solution

The fourth proportional to 437,236.74, 603,665.28 and 356,856.03 is: 492,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,236.74 : 603,665.28 = 356,856.03 : x
  2. Step 2: Convert to fraction form
    437,236.74/603,665.28 = 356,856.03/x
  3. Step 3: Cross multiply
    437,236.74x = 603,665.28 × 356,856.03
  4. Step 4: Simplify right side
    437,236.74x = 215,421,595,269.64
  5. Step 5: Solve for x
    x = 215,421,595,269.64/437,236.74
  6. Step 6: Final answer
    x = 492,688.69

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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.