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Finding the Fourth Proportional to 344,842.60, 516,956.10 and 134,431.60

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Solution

The fourth proportional to 344,842.60, 516,956.10 and 134,431.60 is: 201,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,842.60 : 516,956.10 = 134,431.60 : x
  2. Step 2: Convert to fraction form
    344,842.60/516,956.10 = 134,431.60/x
  3. Step 3: Cross multiply
    344,842.60x = 516,956.10 × 134,431.60
  4. Step 4: Simplify right side
    344,842.60x = 69,495,235,652.76
  5. Step 5: Solve for x
    x = 69,495,235,652.76/344,842.60
  6. Step 6: Final answer
    x = 201,527.41

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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.