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Finding the Fourth Proportional to 491,906.37, 736,192.92 and 302,486.72

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Solution

The fourth proportional to 491,906.37, 736,192.92 and 302,486.72 is: 452,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,906.37 : 736,192.92 = 302,486.72 : x
  2. Step 2: Convert to fraction form
    491,906.37/736,192.92 = 302,486.72/x
  3. Step 3: Cross multiply
    491,906.37x = 736,192.92 × 302,486.72
  4. Step 4: Simplify right side
    491,906.37x = 222,688,577,977.06
  5. Step 5: Solve for x
    x = 222,688,577,977.06/491,906.37
  6. Step 6: Final answer
    x = 452,705.21

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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.