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Finding the Fourth Proportional to 296,999.08, 445,408.62 and 249,628.60

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Solution

The fourth proportional to 296,999.08, 445,408.62 and 249,628.60 is: 374,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,999.08 : 445,408.62 = 249,628.60 : x
  2. Step 2: Convert to fraction form
    296,999.08/445,408.62 = 249,628.60/x
  3. Step 3: Cross multiply
    296,999.08x = 445,408.62 × 249,628.60
  4. Step 4: Simplify right side
    296,999.08x = 111,186,730,238.53
  5. Step 5: Solve for x
    x = 111,186,730,238.53/296,999.08
  6. Step 6: Final answer
    x = 374,367.25

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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.