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Finding the Fourth Proportional to 228,052.80, 341,690.40 and 188,395.20

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Solution

The fourth proportional to 228,052.80, 341,690.40 and 188,395.20 is: 282,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,052.80 : 341,690.40 = 188,395.20 : x
  2. Step 2: Convert to fraction form
    228,052.80/341,690.40 = 188,395.20/x
  3. Step 3: Cross multiply
    228,052.80x = 341,690.40 × 188,395.20
  4. Step 4: Simplify right side
    228,052.80x = 64,372,831,246.08
  5. Step 5: Solve for x
    x = 64,372,831,246.08/228,052.80
  6. Step 6: Final answer
    x = 282,271.61

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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.