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Finding the Fourth Proportional to 491,912.34, 736,201.84 and 302,492.63

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Solution

The fourth proportional to 491,912.34, 736,201.84 and 302,492.63 is: 452,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,912.34 : 736,201.84 = 302,492.63 : x
  2. Step 2: Convert to fraction form
    491,912.34/736,201.84 = 302,492.63/x
  3. Step 3: Cross multiply
    491,912.34x = 736,201.84 × 302,492.63
  4. Step 4: Simplify right side
    491,912.34x = 222,695,627,451.99
  5. Step 5: Solve for x
    x = 222,695,627,451.99/491,912.34
  6. Step 6: Final answer
    x = 452,714.05

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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.