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Finding the Fourth Proportional to 603,418.63, 832,625.23 and 348,720.67

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Solution

The fourth proportional to 603,418.63, 832,625.23 and 348,720.67 is: 481,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,418.63 : 832,625.23 = 348,720.67 : x
  2. Step 2: Convert to fraction form
    603,418.63/832,625.23 = 348,720.67/x
  3. Step 3: Cross multiply
    603,418.63x = 832,625.23 × 348,720.67
  4. Step 4: Simplify right side
    603,418.63x = 290,353,628,064.50
  5. Step 5: Solve for x
    x = 290,353,628,064.50/603,418.63
  6. Step 6: Final answer
    x = 481,181.08

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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.