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Finding the Fourth Proportional to 536,893.30, 740,913.22 and 295,179.98

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Solution

The fourth proportional to 536,893.30, 740,913.22 and 295,179.98 is: 407,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,893.30 : 740,913.22 = 295,179.98 : x
  2. Step 2: Convert to fraction form
    536,893.30/740,913.22 = 295,179.98/x
  3. Step 3: Cross multiply
    536,893.30x = 740,913.22 × 295,179.98
  4. Step 4: Simplify right side
    536,893.30x = 218,702,749,461.34
  5. Step 5: Solve for x
    x = 218,702,749,461.34/536,893.30
  6. Step 6: Final answer
    x = 407,348.63

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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.