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Finding the Fourth Proportional to 328,558.89, 492,764.01 and 150,895.11

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Solution

The fourth proportional to 328,558.89, 492,764.01 and 150,895.11 is: 226,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,558.89 : 492,764.01 = 150,895.11 : x
  2. Step 2: Convert to fraction form
    328,558.89/492,764.01 = 150,895.11/x
  3. Step 3: Cross multiply
    328,558.89x = 492,764.01 × 150,895.11
  4. Step 4: Simplify right side
    328,558.89x = 74,355,679,492.99
  5. Step 5: Solve for x
    x = 74,355,679,492.99/328,558.89
  6. Step 6: Final answer
    x = 226,308.53

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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.