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Finding the Fourth Proportional to 554,057.52, 831,034.44 and 238,455.60

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Solution

The fourth proportional to 554,057.52, 831,034.44 and 238,455.60 is: 357,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,057.52 : 831,034.44 = 238,455.60 : x
  2. Step 2: Convert to fraction form
    554,057.52/831,034.44 = 238,455.60/x
  3. Step 3: Cross multiply
    554,057.52x = 831,034.44 × 238,455.60
  4. Step 4: Simplify right side
    554,057.52x = 198,164,816,010.86
  5. Step 5: Solve for x
    x = 198,164,816,010.86/554,057.52
  6. Step 6: Final answer
    x = 357,661.09

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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.