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Finding the Fourth Proportional to 308,062.41, 424,948.68 and 185,469.45

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Solution

The fourth proportional to 308,062.41, 424,948.68 and 185,469.45 is: 255,841.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,062.41 : 424,948.68 = 185,469.45 : x
  2. Step 2: Convert to fraction form
    308,062.41/424,948.68 = 185,469.45/x
  3. Step 3: Cross multiply
    308,062.41x = 424,948.68 × 185,469.45
  4. Step 4: Simplify right side
    308,062.41x = 78,814,997,957.83
  5. Step 5: Solve for x
    x = 78,814,997,957.83/308,062.41
  6. Step 6: Final answer
    x = 255,841.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.