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Finding the Fourth Proportional to 434,577.96, 599,745.30 and 243,591.40

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Solution

The fourth proportional to 434,577.96, 599,745.30 and 243,591.40 is: 336,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,577.96 : 599,745.30 = 243,591.40 : x
  2. Step 2: Convert to fraction form
    434,577.96/599,745.30 = 243,591.40/x
  3. Step 3: Cross multiply
    434,577.96x = 599,745.30 × 243,591.40
  4. Step 4: Simplify right side
    434,577.96x = 146,092,797,270.42
  5. Step 5: Solve for x
    x = 146,092,797,270.42/434,577.96
  6. Step 6: Final answer
    x = 336,171.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.