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Finding the Fourth Proportional to 341,438.85, 512,468.10 and 173,076.30

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Solution

The fourth proportional to 341,438.85, 512,468.10 and 173,076.30 is: 259,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,438.85 : 512,468.10 = 173,076.30 : x
  2. Step 2: Convert to fraction form
    341,438.85/512,468.10 = 173,076.30/x
  3. Step 3: Cross multiply
    341,438.85x = 512,468.10 × 173,076.30
  4. Step 4: Simplify right side
    341,438.85x = 88,696,082,616.03
  5. Step 5: Solve for x
    x = 88,696,082,616.03/341,438.85
  6. Step 6: Final answer
    x = 259,771.50

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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.