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Finding the Fourth Proportional to 325,051.20, 487,965.60 and 183,009.60

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Solution

The fourth proportional to 325,051.20, 487,965.60 and 183,009.60 is: 274,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,051.20 : 487,965.60 = 183,009.60 : x
  2. Step 2: Convert to fraction form
    325,051.20/487,965.60 = 183,009.60/x
  3. Step 3: Cross multiply
    325,051.20x = 487,965.60 × 183,009.60
  4. Step 4: Simplify right side
    325,051.20x = 89,302,389,269.76
  5. Step 5: Solve for x
    x = 89,302,389,269.76/325,051.20
  6. Step 6: Final answer
    x = 274,733.30

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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.