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Finding the Fourth Proportional to 395,195.52, 591,743.52 and 308,946.72

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Solution

The fourth proportional to 395,195.52, 591,743.52 and 308,946.72 is: 462,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,195.52 : 591,743.52 = 308,946.72 : x
  2. Step 2: Convert to fraction form
    395,195.52/591,743.52 = 308,946.72/x
  3. Step 3: Cross multiply
    395,195.52x = 591,743.52 × 308,946.72
  4. Step 4: Simplify right side
    395,195.52x = 182,817,219,585.25
  5. Step 5: Solve for x
    x = 182,817,219,585.25/395,195.52
  6. Step 6: Final answer
    x = 462,599.42

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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.