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Finding the Fourth Proportional to 264,323.59, 364,763.10 and 143,469.43

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Solution

The fourth proportional to 264,323.59, 364,763.10 and 143,469.43 is: 197,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,323.59 : 364,763.10 = 143,469.43 : x
  2. Step 2: Convert to fraction form
    264,323.59/364,763.10 = 143,469.43/x
  3. Step 3: Cross multiply
    264,323.59x = 364,763.10 × 143,469.43
  4. Step 4: Simplify right side
    264,323.59x = 52,332,354,042.03
  5. Step 5: Solve for x
    x = 52,332,354,042.03/264,323.59
  6. Step 6: Final answer
    x = 197,985.94

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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.