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Finding the Fourth Proportional to 297,740.60, 445,574.10 and 204,428.60

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Solution

The fourth proportional to 297,740.60, 445,574.10 and 204,428.60 is: 305,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,740.60 : 445,574.10 = 204,428.60 : x
  2. Step 2: Convert to fraction form
    297,740.60/445,574.10 = 204,428.60/x
  3. Step 3: Cross multiply
    297,740.60x = 445,574.10 × 204,428.60
  4. Step 4: Simplify right side
    297,740.60x = 91,088,089,459.26
  5. Step 5: Solve for x
    x = 91,088,089,459.26/297,740.60
  6. Step 6: Final answer
    x = 305,931.03

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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.