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Finding the Fourth Proportional to 624,941.06, 862,471.75 and 353,058.83

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Solution

The fourth proportional to 624,941.06, 862,471.75 and 353,058.83 is: 487,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,941.06 : 862,471.75 = 353,058.83 : x
  2. Step 2: Convert to fraction form
    624,941.06/862,471.75 = 353,058.83/x
  3. Step 3: Cross multiply
    624,941.06x = 862,471.75 × 353,058.83
  4. Step 4: Simplify right side
    624,941.06x = 304,503,270,515.71
  5. Step 5: Solve for x
    x = 304,503,270,515.71/624,941.06
  6. Step 6: Final answer
    x = 487,251.19

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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.