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Finding the Fourth Proportional to 655,058.60, 903,998.52 and 368,588.84

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Solution

The fourth proportional to 655,058.60, 903,998.52 and 368,588.84 is: 508,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,058.60 : 903,998.52 = 368,588.84 : x
  2. Step 2: Convert to fraction form
    655,058.60/903,998.52 = 368,588.84/x
  3. Step 3: Cross multiply
    655,058.60x = 903,998.52 × 368,588.84
  4. Step 4: Simplify right side
    655,058.60x = 333,203,765,848.52
  5. Step 5: Solve for x
    x = 333,203,765,848.52/655,058.60
  6. Step 6: Final answer
    x = 508,662.53

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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.