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Finding the Fourth Proportional to 264,004.70, 395,315.85 and 193,502.30

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Solution

The fourth proportional to 264,004.70, 395,315.85 and 193,502.30 is: 289,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,004.70 : 395,315.85 = 193,502.30 : x
  2. Step 2: Convert to fraction form
    264,004.70/395,315.85 = 193,502.30/x
  3. Step 3: Cross multiply
    264,004.70x = 395,315.85 × 193,502.30
  4. Step 4: Simplify right side
    264,004.70x = 76,494,526,201.46
  5. Step 5: Solve for x
    x = 76,494,526,201.46/264,004.70
  6. Step 6: Final answer
    x = 289,746.83

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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.