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Finding the Fourth Proportional to 346,085.40, 519,128.10 and 244,608.60

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Solution

The fourth proportional to 346,085.40, 519,128.10 and 244,608.60 is: 366,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,085.40 : 519,128.10 = 244,608.60 : x
  2. Step 2: Convert to fraction form
    346,085.40/519,128.10 = 244,608.60/x
  3. Step 3: Cross multiply
    346,085.40x = 519,128.10 × 244,608.60
  4. Step 4: Simplify right side
    346,085.40x = 126,983,197,761.66
  5. Step 5: Solve for x
    x = 126,983,197,761.66/346,085.40
  6. Step 6: Final answer
    x = 366,912.90

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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.