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Finding the Fourth Proportional to 306,697.60, 460,219.20 and 119,684.80

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Solution

The fourth proportional to 306,697.60, 460,219.20 and 119,684.80 is: 179,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,697.60 : 460,219.20 = 119,684.80 : x
  2. Step 2: Convert to fraction form
    306,697.60/460,219.20 = 119,684.80/x
  3. Step 3: Cross multiply
    306,697.60x = 460,219.20 × 119,684.80
  4. Step 4: Simplify right side
    306,697.60x = 55,081,242,908.16
  5. Step 5: Solve for x
    x = 55,081,242,908.16/306,697.60
  6. Step 6: Final answer
    x = 179,594.63

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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.