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Finding the Fourth Proportional to 293,768.76, 405,403.44 and 159,632.76

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Solution

The fourth proportional to 293,768.76, 405,403.44 and 159,632.76 is: 220,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,768.76 : 405,403.44 = 159,632.76 : x
  2. Step 2: Convert to fraction form
    293,768.76/405,403.44 = 159,632.76/x
  3. Step 3: Cross multiply
    293,768.76x = 405,403.44 × 159,632.76
  4. Step 4: Simplify right side
    293,768.76x = 64,715,670,040.69
  5. Step 5: Solve for x
    x = 64,715,670,040.69/293,768.76
  6. Step 6: Final answer
    x = 220,294.60

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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.