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Finding the Fourth Proportional to 316,301.44, 436,492.10 and 173,059.44

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Solution

The fourth proportional to 316,301.44, 436,492.10 and 173,059.44 is: 238,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,301.44 : 436,492.10 = 173,059.44 : x
  2. Step 2: Convert to fraction form
    316,301.44/436,492.10 = 173,059.44/x
  3. Step 3: Cross multiply
    316,301.44x = 436,492.10 × 173,059.44
  4. Step 4: Simplify right side
    316,301.44x = 75,539,078,390.42
  5. Step 5: Solve for x
    x = 75,539,078,390.42/316,301.44
  6. Step 6: Final answer
    x = 238,819.90

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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.