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Finding the Fourth Proportional to 357,757.55, 535,750.56 and 262,762.46

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Solution

The fourth proportional to 357,757.55, 535,750.56 and 262,762.46 is: 393,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,757.55 : 535,750.56 = 262,762.46 : x
  2. Step 2: Convert to fraction form
    357,757.55/535,750.56 = 262,762.46/x
  3. Step 3: Cross multiply
    357,757.55x = 535,750.56 × 262,762.46
  4. Step 4: Simplify right side
    357,757.55x = 140,775,135,091.98
  5. Step 5: Solve for x
    x = 140,775,135,091.98/357,757.55
  6. Step 6: Final answer
    x = 393,493.12

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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.