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Finding the Fourth Proportional to 356,558.49, 534,477.69 and 223,532.19

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Solution

The fourth proportional to 356,558.49, 534,477.69 and 223,532.19 is: 335,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,558.49 : 534,477.69 = 223,532.19 : x
  2. Step 2: Convert to fraction form
    356,558.49/534,477.69 = 223,532.19/x
  3. Step 3: Cross multiply
    356,558.49x = 534,477.69 × 223,532.19
  4. Step 4: Simplify right side
    356,558.49x = 119,472,968,551.84
  5. Step 5: Solve for x
    x = 119,472,968,551.84/356,558.49
  6. Step 6: Final answer
    x = 335,072.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.