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Finding the Fourth Proportional to 308,445.60, 462,668.40 and 184,029.60

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Solution

The fourth proportional to 308,445.60, 462,668.40 and 184,029.60 is: 276,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,445.60 : 462,668.40 = 184,029.60 : x
  2. Step 2: Convert to fraction form
    308,445.60/462,668.40 = 184,029.60/x
  3. Step 3: Cross multiply
    308,445.60x = 462,668.40 × 184,029.60
  4. Step 4: Simplify right side
    308,445.60x = 85,144,680,584.64
  5. Step 5: Solve for x
    x = 85,144,680,584.64/308,445.60
  6. Step 6: Final answer
    x = 276,044.40

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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.