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Finding the Fourth Proportional to 369,651.30, 510,121.85 and 204,084.60

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Solution

The fourth proportional to 369,651.30, 510,121.85 and 204,084.60 is: 281,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,651.30 : 510,121.85 = 204,084.60 : x
  2. Step 2: Convert to fraction form
    369,651.30/510,121.85 = 204,084.60/x
  3. Step 3: Cross multiply
    369,651.30x = 510,121.85 × 204,084.60
  4. Step 4: Simplify right side
    369,651.30x = 104,108,012,688.09
  5. Step 5: Solve for x
    x = 104,108,012,688.09/369,651.30
  6. Step 6: Final answer
    x = 281,638.43

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1.5x scale

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.