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Finding the Fourth Proportional to 603,648.72, 832,971.60 and 349,081.92

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Solution

The fourth proportional to 603,648.72, 832,971.60 and 349,081.92 is: 481,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,648.72 : 832,971.60 = 349,081.92 : x
  2. Step 2: Convert to fraction form
    603,648.72/832,971.60 = 349,081.92/x
  3. Step 3: Cross multiply
    603,648.72x = 832,971.60 × 349,081.92
  4. Step 4: Simplify right side
    603,648.72x = 290,775,325,433.47
  5. Step 5: Solve for x
    x = 290,775,325,433.47/603,648.72
  6. Step 6: Final answer
    x = 481,696.25

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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.