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Finding the Fourth Proportional to 298,639.80, 412,093.04 and 183,900.06

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Solution

The fourth proportional to 298,639.80, 412,093.04 and 183,900.06 is: 253,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,639.80 : 412,093.04 = 183,900.06 : x
  2. Step 2: Convert to fraction form
    298,639.80/412,093.04 = 183,900.06/x
  3. Step 3: Cross multiply
    298,639.80x = 412,093.04 × 183,900.06
  4. Step 4: Simplify right side
    298,639.80x = 75,783,933,862.08
  5. Step 5: Solve for x
    x = 75,783,933,862.08/298,639.80
  6. Step 6: Final answer
    x = 253,763.68

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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.