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Finding the Fourth Proportional to 484,308.44, 726,626.15 and 214,399.35

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Solution

The fourth proportional to 484,308.44, 726,626.15 and 214,399.35 is: 321,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,308.44 : 726,626.15 = 214,399.35 : x
  2. Step 2: Convert to fraction form
    484,308.44/726,626.15 = 214,399.35/x
  3. Step 3: Cross multiply
    484,308.44x = 726,626.15 × 214,399.35
  4. Step 4: Simplify right side
    484,308.44x = 155,788,174,089.29
  5. Step 5: Solve for x
    x = 155,788,174,089.29/484,308.44
  6. Step 6: Final answer
    x = 321,671.40

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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.