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Finding the Fourth Proportional to 657,662.70, 986,494.05 and 184,428.30

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Solution

The fourth proportional to 657,662.70, 986,494.05 and 184,428.30 is: 276,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,662.70 : 986,494.05 = 184,428.30 : x
  2. Step 2: Convert to fraction form
    657,662.70/986,494.05 = 184,428.30/x
  3. Step 3: Cross multiply
    657,662.70x = 986,494.05 × 184,428.30
  4. Step 4: Simplify right side
    657,662.70x = 181,937,420,601.62
  5. Step 5: Solve for x
    x = 181,937,420,601.62/657,662.70
  6. Step 6: Final answer
    x = 276,642.45

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Double scale
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Similar ratio
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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.