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Finding the Fourth Proportional to 275,196.40, 412,794.60 and 235,830.40

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Solution

The fourth proportional to 275,196.40, 412,794.60 and 235,830.40 is: 353,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,196.40 : 412,794.60 = 235,830.40 : x
  2. Step 2: Convert to fraction form
    275,196.40/412,794.60 = 235,830.40/x
  3. Step 3: Cross multiply
    275,196.40x = 412,794.60 × 235,830.40
  4. Step 4: Simplify right side
    275,196.40x = 97,349,515,635.84
  5. Step 5: Solve for x
    x = 97,349,515,635.84/275,196.40
  6. Step 6: Final answer
    x = 353,745.60

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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.