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Finding the Fourth Proportional to 664,058.16, 916,398.36 and 362,250

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Solution

The fourth proportional to 664,058.16, 916,398.36 and 362,250 is: 499,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,058.16 : 916,398.36 = 362,250 : x
  2. Step 2: Convert to fraction form
    664,058.16/916,398.36 = 362,250/x
  3. Step 3: Cross multiply
    664,058.16x = 916,398.36 × 362,250
  4. Step 4: Simplify right side
    664,058.16x = 331,965,305,910
  5. Step 5: Solve for x
    x = 331,965,305,910/664,058.16
  6. Step 6: Final answer
    x = 499,903.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.