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Finding the Fourth Proportional to 370,768.68, 511,165.98 and 294,540.81

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Solution

The fourth proportional to 370,768.68, 511,165.98 and 294,540.81 is: 406,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,768.68 : 511,165.98 = 294,540.81 : x
  2. Step 2: Convert to fraction form
    370,768.68/511,165.98 = 294,540.81/x
  3. Step 3: Cross multiply
    370,768.68x = 511,165.98 × 294,540.81
  4. Step 4: Simplify right side
    370,768.68x = 150,559,241,793.64
  5. Step 5: Solve for x
    x = 150,559,241,793.64/370,768.68
  6. Step 6: Final answer
    x = 406,073.25

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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.