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Finding the Fourth Proportional to 575,371.24, 863,055.63 and 154,647.12

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Solution

The fourth proportional to 575,371.24, 863,055.63 and 154,647.12 is: 231,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,371.24 : 863,055.63 = 154,647.12 : x
  2. Step 2: Convert to fraction form
    575,371.24/863,055.63 = 154,647.12/x
  3. Step 3: Cross multiply
    575,371.24x = 863,055.63 × 154,647.12
  4. Step 4: Simplify right side
    575,371.24x = 133,469,067,579.29
  5. Step 5: Solve for x
    x = 133,469,067,579.29/575,371.24
  6. Step 6: Final answer
    x = 231,970.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.