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Finding the Fourth Proportional to 622,447.55, 933,690.53 and 243,353.15

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Solution

The fourth proportional to 622,447.55, 933,690.53 and 243,353.15 is: 365,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,447.55 : 933,690.53 = 243,353.15 : x
  2. Step 2: Convert to fraction form
    622,447.55/933,690.53 = 243,353.15/x
  3. Step 3: Cross multiply
    622,447.55x = 933,690.53 × 243,353.15
  4. Step 4: Simplify right side
    622,447.55x = 227,216,530,383.90
  5. Step 5: Solve for x
    x = 227,216,530,383.90/622,447.55
  6. Step 6: Final answer
    x = 365,037.23

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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.