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Finding the Fourth Proportional to 427,646.54, 590,137.62 and 236,667.98

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Solution

The fourth proportional to 427,646.54, 590,137.62 and 236,667.98 is: 326,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,646.54 : 590,137.62 = 236,667.98 : x
  2. Step 2: Convert to fraction form
    427,646.54/590,137.62 = 236,667.98/x
  3. Step 3: Cross multiply
    427,646.54x = 590,137.62 × 236,667.98
  4. Step 4: Simplify right side
    427,646.54x = 139,666,678,447.41
  5. Step 5: Solve for x
    x = 139,666,678,447.41/427,646.54
  6. Step 6: Final answer
    x = 326,593.73

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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.