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Finding the Fourth Proportional to 367,936.52, 507,374.34 and 307,484.60

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Solution

The fourth proportional to 367,936.52, 507,374.34 and 307,484.60 is: 424,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,936.52 : 507,374.34 = 307,484.60 : x
  2. Step 2: Convert to fraction form
    367,936.52/507,374.34 = 307,484.60/x
  3. Step 3: Cross multiply
    367,936.52x = 507,374.34 × 307,484.60
  4. Step 4: Simplify right side
    367,936.52x = 156,009,793,448.29
  5. Step 5: Solve for x
    x = 156,009,793,448.29/367,936.52
  6. Step 6: Final answer
    x = 424,012.80

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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.