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Finding the Fourth Proportional to 437,228.49, 603,653.90 and 356,847.74

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Solution

The fourth proportional to 437,228.49, 603,653.90 and 356,847.74 is: 492,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,228.49 : 603,653.90 = 356,847.74 : x
  2. Step 2: Convert to fraction form
    437,228.49/603,653.90 = 356,847.74/x
  3. Step 3: Cross multiply
    437,228.49x = 603,653.90 × 356,847.74
  4. Step 4: Simplify right side
    437,228.49x = 215,412,525,154.68
  5. Step 5: Solve for x
    x = 215,412,525,154.68/437,228.49
  6. Step 6: Final answer
    x = 492,677.24

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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.