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Finding the Fourth Proportional to 322,404.45, 483,606.68 and 125,412.45

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Solution

The fourth proportional to 322,404.45, 483,606.68 and 125,412.45 is: 188,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,404.45 : 483,606.68 = 125,412.45 : x
  2. Step 2: Convert to fraction form
    322,404.45/483,606.68 = 125,412.45/x
  3. Step 3: Cross multiply
    322,404.45x = 483,606.68 × 125,412.45
  4. Step 4: Simplify right side
    322,404.45x = 60,650,297,948.10
  5. Step 5: Solve for x
    x = 60,650,297,948.10/322,404.45
  6. Step 6: Final answer
    x = 188,118.68

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1.5x scale

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.