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Finding the Fourth Proportional to 607,354.50, 911,584.26 and 323,283.87

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Solution

The fourth proportional to 607,354.50, 911,584.26 and 323,283.87 is: 485,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,354.50 : 911,584.26 = 323,283.87 : x
  2. Step 2: Convert to fraction form
    607,354.50/911,584.26 = 323,283.87/x
  3. Step 3: Cross multiply
    607,354.50x = 911,584.26 × 323,283.87
  4. Step 4: Simplify right side
    607,354.50x = 294,700,487,403.89
  5. Step 5: Solve for x
    x = 294,700,487,403.89/607,354.50
  6. Step 6: Final answer
    x = 485,219.90

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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.