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Finding the Fourth Proportional to 309,833.55, 465,023.70 and 183,315.60

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Solution

The fourth proportional to 309,833.55, 465,023.70 and 183,315.60 is: 275,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,833.55 : 465,023.70 = 183,315.60 : x
  2. Step 2: Convert to fraction form
    309,833.55/465,023.70 = 183,315.60/x
  3. Step 3: Cross multiply
    309,833.55x = 465,023.70 × 183,315.60
  4. Step 4: Simplify right side
    309,833.55x = 85,246,098,579.72
  5. Step 5: Solve for x
    x = 85,246,098,579.72/309,833.55
  6. Step 6: Final answer
    x = 275,135.14

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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.