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Finding the Fourth Proportional to 624,182.45, 861,371.48 and 352,307.36

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Solution

The fourth proportional to 624,182.45, 861,371.48 and 352,307.36 is: 486,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,182.45 : 861,371.48 = 352,307.36 : x
  2. Step 2: Convert to fraction form
    624,182.45/861,371.48 = 352,307.36/x
  3. Step 3: Cross multiply
    624,182.45x = 861,371.48 × 352,307.36
  4. Step 4: Simplify right side
    624,182.45x = 303,467,515,132.29
  5. Step 5: Solve for x
    x = 303,467,515,132.29/624,182.45
  6. Step 6: Final answer
    x = 486,184.00

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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.