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Finding the Fourth Proportional to 564,029.40, 845,600.34 and 279,524.36

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Solution

The fourth proportional to 564,029.40, 845,600.34 and 279,524.36 is: 419,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,029.40 : 845,600.34 = 279,524.36 : x
  2. Step 2: Convert to fraction form
    564,029.40/845,600.34 = 279,524.36/x
  3. Step 3: Cross multiply
    564,029.40x = 845,600.34 × 279,524.36
  4. Step 4: Simplify right side
    564,029.40x = 236,365,893,854.28
  5. Step 5: Solve for x
    x = 236,365,893,854.28/564,029.40
  6. Step 6: Final answer
    x = 419,066.62

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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.