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Finding the Fourth Proportional to 320,059.36, 441,675.42 and 176,818

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Solution

The fourth proportional to 320,059.36, 441,675.42 and 176,818 is: 244,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,059.36 : 441,675.42 = 176,818 : x
  2. Step 2: Convert to fraction form
    320,059.36/441,675.42 = 176,818/x
  3. Step 3: Cross multiply
    320,059.36x = 441,675.42 × 176,818
  4. Step 4: Simplify right side
    320,059.36x = 78,096,164,413.56
  5. Step 5: Solve for x
    x = 78,096,164,413.56/320,059.36
  6. Step 6: Final answer
    x = 244,005.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.