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Finding the Fourth Proportional to 228,234.16, 341,634 and 156,738.16

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Solution

The fourth proportional to 228,234.16, 341,634 and 156,738.16 is: 234,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,234.16 : 341,634 = 156,738.16 : x
  2. Step 2: Convert to fraction form
    228,234.16/341,634 = 156,738.16/x
  3. Step 3: Cross multiply
    228,234.16x = 341,634 × 156,738.16
  4. Step 4: Simplify right side
    228,234.16x = 53,547,084,553.44
  5. Step 5: Solve for x
    x = 53,547,084,553.44/228,234.16
  6. Step 6: Final answer
    x = 234,614.68

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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.