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Finding the Fourth Proportional to 657,700.40, 986,477.70 and 184,433.60

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Solution

The fourth proportional to 657,700.40, 986,477.70 and 184,433.60 is: 276,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,700.40 : 986,477.70 = 184,433.60 : x
  2. Step 2: Convert to fraction form
    657,700.40/986,477.70 = 184,433.60/x
  3. Step 3: Cross multiply
    657,700.40x = 986,477.70 × 184,433.60
  4. Step 4: Simplify right side
    657,700.40x = 181,939,633,530.72
  5. Step 5: Solve for x
    x = 181,939,633,530.72/657,700.40
  6. Step 6: Final answer
    x = 276,629.96

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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.