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Finding the Fourth Proportional to 368,840.34, 552,399.39 and 283,926.74

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Solution

The fourth proportional to 368,840.34, 552,399.39 and 283,926.74 is: 425,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,840.34 : 552,399.39 = 283,926.74 : x
  2. Step 2: Convert to fraction form
    368,840.34/552,399.39 = 283,926.74/x
  3. Step 3: Cross multiply
    368,840.34x = 552,399.39 × 283,926.74
  4. Step 4: Simplify right side
    368,840.34x = 156,840,955,218.69
  5. Step 5: Solve for x
    x = 156,840,955,218.69/368,840.34
  6. Step 6: Final answer
    x = 425,227.23

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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.