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Finding the Fourth Proportional to 356,927.34, 492,550.84 and 203,955.80

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Solution

The fourth proportional to 356,927.34, 492,550.84 and 203,955.80 is: 281,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,927.34 : 492,550.84 = 203,955.80 : x
  2. Step 2: Convert to fraction form
    356,927.34/492,550.84 = 203,955.80/x
  3. Step 3: Cross multiply
    356,927.34x = 492,550.84 × 203,955.80
  4. Step 4: Simplify right side
    356,927.34x = 100,458,600,612.87
  5. Step 5: Solve for x
    x = 100,458,600,612.87/356,927.34
  6. Step 6: Final answer
    x = 281,453.92

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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.