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Finding the Fourth Proportional to 329,085.80, 492,753.90 and 329,085.80

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Solution

The fourth proportional to 329,085.80, 492,753.90 and 329,085.80 is: 492,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,085.80 : 492,753.90 = 329,085.80 : x
  2. Step 2: Convert to fraction form
    329,085.80/492,753.90 = 329,085.80/x
  3. Step 3: Cross multiply
    329,085.80x = 492,753.90 × 329,085.80
  4. Step 4: Simplify right side
    329,085.80x = 162,158,311,384.62
  5. Step 5: Solve for x
    x = 162,158,311,384.62/329,085.80
  6. Step 6: Final answer
    x = 492,753.90

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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.