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Finding the Fourth Proportional to 356,572.96, 492,074.54 and 195,424.54

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Solution

The fourth proportional to 356,572.96, 492,074.54 and 195,424.54 is: 269,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,572.96 : 492,074.54 = 195,424.54 : x
  2. Step 2: Convert to fraction form
    356,572.96/492,074.54 = 195,424.54/x
  3. Step 3: Cross multiply
    356,572.96x = 492,074.54 × 195,424.54
  4. Step 4: Simplify right side
    356,572.96x = 96,163,440,625.21
  5. Step 5: Solve for x
    x = 96,163,440,625.21/356,572.96
  6. Step 6: Final answer
    x = 269,687.98

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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.