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Finding the Fourth Proportional to 553,505.54, 830,374.94 and 179,499.38

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Solution

The fourth proportional to 553,505.54, 830,374.94 and 179,499.38 is: 269,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,505.54 : 830,374.94 = 179,499.38 : x
  2. Step 2: Convert to fraction form
    553,505.54/830,374.94 = 179,499.38/x
  3. Step 3: Cross multiply
    553,505.54x = 830,374.94 × 179,499.38
  4. Step 4: Simplify right side
    553,505.54x = 149,051,783,194.41
  5. Step 5: Solve for x
    x = 149,051,783,194.41/553,505.54
  6. Step 6: Final answer
    x = 269,286.89

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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.