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Finding the Fourth Proportional to 336,735.70, 505,103.55 and 276,948.59

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Solution

The fourth proportional to 336,735.70, 505,103.55 and 276,948.59 is: 415,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,735.70 : 505,103.55 = 276,948.59 : x
  2. Step 2: Convert to fraction form
    336,735.70/505,103.55 = 276,948.59/x
  3. Step 3: Cross multiply
    336,735.70x = 505,103.55 × 276,948.59
  4. Step 4: Simplify right side
    336,735.70x = 139,887,715,976.50
  5. Step 5: Solve for x
    x = 139,887,715,976.50/336,735.70
  6. Step 6: Final answer
    x = 415,422.89

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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.