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Finding the Fourth Proportional to 341,996.92, 512,995.26 and 92,678.92

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Solution

The fourth proportional to 341,996.92, 512,995.26 and 92,678.92 is: 139,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,996.92 : 512,995.26 = 92,678.92 : x
  2. Step 2: Convert to fraction form
    341,996.92/512,995.26 = 92,678.92/x
  3. Step 3: Cross multiply
    341,996.92x = 512,995.26 × 92,678.92
  4. Step 4: Simplify right side
    341,996.92x = 47,543,846,661.92
  5. Step 5: Solve for x
    x = 47,543,846,661.92/341,996.92
  6. Step 6: Final answer
    x = 139,018.35

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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.