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Finding the Fourth Proportional to 322,562.90, 483,455.55 and 164,710.10

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Solution

The fourth proportional to 322,562.90, 483,455.55 and 164,710.10 is: 246,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,562.90 : 483,455.55 = 164,710.10 : x
  2. Step 2: Convert to fraction form
    322,562.90/483,455.55 = 164,710.10/x
  3. Step 3: Cross multiply
    322,562.90x = 483,455.55 × 164,710.10
  4. Step 4: Simplify right side
    322,562.90x = 79,630,011,986.06
  5. Step 5: Solve for x
    x = 79,630,011,986.06/322,562.90
  6. Step 6: Final answer
    x = 246,866.62

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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.