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Finding the Fourth Proportional to 360,928.63, 542,374.38 and 192,567.90

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Solution

The fourth proportional to 360,928.63, 542,374.38 and 192,567.90 is: 289,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,928.63 : 542,374.38 = 192,567.90 : x
  2. Step 2: Convert to fraction form
    360,928.63/542,374.38 = 192,567.90/x
  3. Step 3: Cross multiply
    360,928.63x = 542,374.38 × 192,567.90
  4. Step 4: Simplify right side
    360,928.63x = 104,443,895,370.40
  5. Step 5: Solve for x
    x = 104,443,895,370.40/360,928.63
  6. Step 6: Final answer
    x = 289,375.48

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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.