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Finding the Fourth Proportional to 657,694.40, 986,468.70 and 184,427.60

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Solution

The fourth proportional to 657,694.40, 986,468.70 and 184,427.60 is: 276,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,694.40 : 986,468.70 = 184,427.60 : x
  2. Step 2: Convert to fraction form
    657,694.40/986,468.70 = 184,427.60/x
  3. Step 3: Cross multiply
    657,694.40x = 986,468.70 × 184,427.60
  4. Step 4: Simplify right side
    657,694.40x = 181,932,054,816.12
  5. Step 5: Solve for x
    x = 181,932,054,816.12/657,694.40
  6. Step 6: Final answer
    x = 276,620.96

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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.