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Finding the Fourth Proportional to 603,353.86, 832,579.76 and 348,721.54

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Solution

The fourth proportional to 603,353.86, 832,579.76 and 348,721.54 is: 481,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,353.86 : 832,579.76 = 348,721.54 : x
  2. Step 2: Convert to fraction form
    603,353.86/832,579.76 = 348,721.54/x
  3. Step 3: Cross multiply
    603,353.86x = 832,579.76 × 348,721.54
  4. Step 4: Simplify right side
    603,353.86x = 290,338,496,080.03
  5. Step 5: Solve for x
    x = 290,338,496,080.03/603,353.86
  6. Step 6: Final answer
    x = 481,207.65

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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.