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Finding the Fourth Proportional to 657,814.60, 986,883.90 and 184,493.80

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Solution

The fourth proportional to 657,814.60, 986,883.90 and 184,493.80 is: 276,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,814.60 : 986,883.90 = 184,493.80 : x
  2. Step 2: Convert to fraction form
    657,814.60/986,883.90 = 184,493.80/x
  3. Step 3: Cross multiply
    657,814.60x = 986,883.90 × 184,493.80
  4. Step 4: Simplify right side
    657,814.60x = 182,073,960,869.82
  5. Step 5: Solve for x
    x = 182,073,960,869.82/657,814.60
  6. Step 6: Final answer
    x = 276,786.14

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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.