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Finding the Fourth Proportional to 603,058.73, 832,263.57 and 398,754.65

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Solution

The fourth proportional to 603,058.73, 832,263.57 and 398,754.65 is: 550,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,058.73 : 832,263.57 = 398,754.65 : x
  2. Step 2: Convert to fraction form
    603,058.73/832,263.57 = 398,754.65/x
  3. Step 3: Cross multiply
    603,058.73x = 832,263.57 × 398,754.65
  4. Step 4: Simplify right side
    603,058.73x = 331,868,964,401.78
  5. Step 5: Solve for x
    x = 331,868,964,401.78/603,058.73
  6. Step 6: Final answer
    x = 550,309.53

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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.