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Finding the Fourth Proportional to 341,391.55, 512,087.33 and 341,391.55

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Solution

The fourth proportional to 341,391.55, 512,087.33 and 341,391.55 is: 512,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,391.55 : 512,087.33 = 341,391.55 : x
  2. Step 2: Convert to fraction form
    341,391.55/512,087.33 = 341,391.55/x
  3. Step 3: Cross multiply
    341,391.55x = 512,087.33 × 341,391.55
  4. Step 4: Simplify right side
    341,391.55x = 174,822,287,324.06
  5. Step 5: Solve for x
    x = 174,822,287,324.06/341,391.55
  6. Step 6: Final answer
    x = 512,087.33

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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.