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Finding the Fourth Proportional to 228,216.10, 342,324.15 and 228,216.10

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Solution

The fourth proportional to 228,216.10, 342,324.15 and 228,216.10 is: 342,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,216.10 : 342,324.15 = 228,216.10 : x
  2. Step 2: Convert to fraction form
    228,216.10/342,324.15 = 228,216.10/x
  3. Step 3: Cross multiply
    228,216.10x = 342,324.15 × 228,216.10
  4. Step 4: Simplify right side
    228,216.10x = 78,123,882,448.82
  5. Step 5: Solve for x
    x = 78,123,882,448.82/228,216.10
  6. Step 6: Final answer
    x = 342,324.15

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1.5x scale

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.