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Finding the Fourth Proportional to 624,000.56, 861,120.98 and 352,126.24

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Solution

The fourth proportional to 624,000.56, 861,120.98 and 352,126.24 is: 485,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,000.56 : 861,120.98 = 352,126.24 : x
  2. Step 2: Convert to fraction form
    624,000.56/861,120.98 = 352,126.24/x
  3. Step 3: Cross multiply
    624,000.56x = 861,120.98 × 352,126.24
  4. Step 4: Simplify right side
    624,000.56x = 303,223,292,872.52
  5. Step 5: Solve for x
    x = 303,223,292,872.52/624,000.56
  6. Step 6: Final answer
    x = 485,934.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.