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Finding the Fourth Proportional to 328,101.30, 492,151.95 and 328,101.30

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Solution

The fourth proportional to 328,101.30, 492,151.95 and 328,101.30 is: 492,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,101.30 : 492,151.95 = 328,101.30 : x
  2. Step 2: Convert to fraction form
    328,101.30/492,151.95 = 328,101.30/x
  3. Step 3: Cross multiply
    328,101.30x = 492,151.95 × 328,101.30
  4. Step 4: Simplify right side
    328,101.30x = 161,475,694,592.54
  5. Step 5: Solve for x
    x = 161,475,694,592.54/328,101.30
  6. Step 6: Final answer
    x = 492,151.95

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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.