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Finding the Fourth Proportional to 365,940.69, 505,308.14 and 230,018.41

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Solution

The fourth proportional to 365,940.69, 505,308.14 and 230,018.41 is: 317,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,940.69 : 505,308.14 = 230,018.41 : x
  2. Step 2: Convert to fraction form
    365,940.69/505,308.14 = 230,018.41/x
  3. Step 3: Cross multiply
    365,940.69x = 505,308.14 × 230,018.41
  4. Step 4: Simplify right side
    365,940.69x = 116,230,174,922.86
  5. Step 5: Solve for x
    x = 116,230,174,922.86/365,940.69
  6. Step 6: Final answer
    x = 317,620.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.