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Finding the Fourth Proportional to 322,486.55, 483,730.85 and 97,848.84

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Solution

The fourth proportional to 322,486.55, 483,730.85 and 97,848.84 is: 146,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,486.55 : 483,730.85 = 97,848.84 : x
  2. Step 2: Convert to fraction form
    322,486.55/483,730.85 = 97,848.84/x
  3. Step 3: Cross multiply
    322,486.55x = 483,730.85 × 97,848.84
  4. Step 4: Simplify right side
    322,486.55x = 47,332,504,603.33
  5. Step 5: Solve for x
    x = 47,332,504,603.33/322,486.55
  6. Step 6: Final answer
    x = 146,773.58

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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.