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Finding the Fourth Proportional to 440,033, 607,247.16 and 238,829

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Solution

The fourth proportional to 440,033, 607,247.16 and 238,829 is: 329,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,033 : 607,247.16 = 238,829 : x
  2. Step 2: Convert to fraction form
    440,033/607,247.16 = 238,829/x
  3. Step 3: Cross multiply
    440,033x = 607,247.16 × 238,829
  4. Step 4: Simplify right side
    440,033x = 145,028,231,975.64
  5. Step 5: Solve for x
    x = 145,028,231,975.64/440,033
  6. Step 6: Final answer
    x = 329,584.90

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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.