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Finding the Fourth Proportional to 366,910.55, 512,568.85 and 366,910.55

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Solution

The fourth proportional to 366,910.55, 512,568.85 and 366,910.55 is: 512,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,910.55 : 512,568.85 = 366,910.55 : x
  2. Step 2: Convert to fraction form
    366,910.55/512,568.85 = 366,910.55/x
  3. Step 3: Cross multiply
    366,910.55x = 512,568.85 × 366,910.55
  4. Step 4: Simplify right side
    366,910.55x = 188,066,918,666.37
  5. Step 5: Solve for x
    x = 188,066,918,666.37/366,910.55
  6. Step 6: Final answer
    x = 512,568.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.