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Finding the Fourth Proportional to 657,889.80, 986,863.86 and 184,564.68

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Solution

The fourth proportional to 657,889.80, 986,863.86 and 184,564.68 is: 276,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,889.80 : 986,863.86 = 184,564.68 : x
  2. Step 2: Convert to fraction form
    657,889.80/986,863.86 = 184,564.68/x
  3. Step 3: Cross multiply
    657,889.80x = 986,863.86 × 184,564.68
  4. Step 4: Simplify right side
    657,889.80x = 182,140,212,524.47
  5. Step 5: Solve for x
    x = 182,140,212,524.47/657,889.80
  6. Step 6: Final answer
    x = 276,855.20

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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.