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Finding the Fourth Proportional to 437,912.84, 604,319.45 and 236,708.84

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Solution

The fourth proportional to 437,912.84, 604,319.45 and 236,708.84 is: 326,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,912.84 : 604,319.45 = 236,708.84 : x
  2. Step 2: Convert to fraction form
    437,912.84/604,319.45 = 236,708.84/x
  3. Step 3: Cross multiply
    437,912.84x = 604,319.45 × 236,708.84
  4. Step 4: Simplify right side
    437,912.84x = 143,047,751,793.80
  5. Step 5: Solve for x
    x = 143,047,751,793.80/437,912.84
  6. Step 6: Final answer
    x = 326,658.05

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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.