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Finding the Fourth Proportional to 575,291.79, 863,062.23 and 220,305.82

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Solution

The fourth proportional to 575,291.79, 863,062.23 and 220,305.82 is: 330,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,291.79 : 863,062.23 = 220,305.82 : x
  2. Step 2: Convert to fraction form
    575,291.79/863,062.23 = 220,305.82/x
  3. Step 3: Cross multiply
    575,291.79x = 863,062.23 × 220,305.82
  4. Step 4: Simplify right side
    575,291.79x = 190,137,632,291.18
  5. Step 5: Solve for x
    x = 190,137,632,291.18/575,291.79
  6. Step 6: Final answer
    x = 330,506.42

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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.