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Finding the Fourth Proportional to 320,083.86, 441,720.36 and 176,847.20

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Solution

The fourth proportional to 320,083.86, 441,720.36 and 176,847.20 is: 244,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,083.86 : 441,720.36 = 176,847.20 : x
  2. Step 2: Convert to fraction form
    320,083.86/441,720.36 = 176,847.20/x
  3. Step 3: Cross multiply
    320,083.86x = 441,720.36 × 176,847.20
  4. Step 4: Simplify right side
    320,083.86x = 78,117,006,640.39
  5. Step 5: Solve for x
    x = 78,117,006,640.39/320,083.86
  6. Step 6: Final answer
    x = 244,051.69

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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.