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Finding the Fourth Proportional to 346,879.22, 520,247.32 and 133,573.93

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Solution

The fourth proportional to 346,879.22, 520,247.32 and 133,573.93 is: 200,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,879.22 : 520,247.32 = 133,573.93 : x
  2. Step 2: Convert to fraction form
    346,879.22/520,247.32 = 133,573.93/x
  3. Step 3: Cross multiply
    346,879.22x = 520,247.32 × 133,573.93
  4. Step 4: Simplify right side
    346,879.22x = 69,491,478,755.05
  5. Step 5: Solve for x
    x = 69,491,478,755.05/346,879.22
  6. Step 6: Final answer
    x = 200,333.36

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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.