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Finding the Fourth Proportional to 228,014.33, 340,351.72 and 201,080.75

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Solution

The fourth proportional to 228,014.33, 340,351.72 and 201,080.75 is: 300,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,014.33 : 340,351.72 = 201,080.75 : x
  2. Step 2: Convert to fraction form
    228,014.33/340,351.72 = 201,080.75/x
  3. Step 3: Cross multiply
    228,014.33x = 340,351.72 × 201,080.75
  4. Step 4: Simplify right side
    228,014.33x = 68,438,176,916.93
  5. Step 5: Solve for x
    x = 68,438,176,916.93/228,014.33
  6. Step 6: Final answer
    x = 300,148.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.