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Finding the Fourth Proportional to 325,539.54, 488,437.83 and 100,917.63

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Solution

The fourth proportional to 325,539.54, 488,437.83 and 100,917.63 is: 151,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,539.54 : 488,437.83 = 100,917.63 : x
  2. Step 2: Convert to fraction form
    325,539.54/488,437.83 = 100,917.63/x
  3. Step 3: Cross multiply
    325,539.54x = 488,437.83 × 100,917.63
  4. Step 4: Simplify right side
    325,539.54x = 49,291,988,205.94
  5. Step 5: Solve for x
    x = 49,291,988,205.94/325,539.54
  6. Step 6: Final answer
    x = 151,416.29

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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.