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Finding the Fourth Proportional to 341,105.19, 511,659 and 104,446.89

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Solution

The fourth proportional to 341,105.19, 511,659 and 104,446.89 is: 156,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,105.19 : 511,659 = 104,446.89 : x
  2. Step 2: Convert to fraction form
    341,105.19/511,659 = 104,446.89/x
  3. Step 3: Cross multiply
    341,105.19x = 511,659 × 104,446.89
  4. Step 4: Simplify right side
    341,105.19x = 53,441,188,732.22
  5. Step 5: Solve for x
    x = 53,441,188,732.22/341,105.19
  6. Step 6: Final answer
    x = 156,670.70

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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.