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Finding the Fourth Proportional to 603,447.92, 832,665.48 and 348,750

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Solution

The fourth proportional to 603,447.92, 832,665.48 and 348,750 is: 481,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,447.92 : 832,665.48 = 348,750 : x
  2. Step 2: Convert to fraction form
    603,447.92/832,665.48 = 348,750/x
  3. Step 3: Cross multiply
    603,447.92x = 832,665.48 × 348,750
  4. Step 4: Simplify right side
    603,447.92x = 290,392,086,150
  5. Step 5: Solve for x
    x = 290,392,086,150/603,447.92
  6. Step 6: Final answer
    x = 481,221.46

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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.