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Finding the Fourth Proportional to 357,596.37, 535,895.80 and 268,745.85

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Solution

The fourth proportional to 357,596.37, 535,895.80 and 268,745.85 is: 402,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,596.37 : 535,895.80 = 268,745.85 : x
  2. Step 2: Convert to fraction form
    357,596.37/535,895.80 = 268,745.85/x
  3. Step 3: Cross multiply
    357,596.37x = 535,895.80 × 268,745.85
  4. Step 4: Simplify right side
    357,596.37x = 144,019,771,610.57
  5. Step 5: Solve for x
    x = 144,019,771,610.57/357,596.37
  6. Step 6: Final answer
    x = 402,743.94

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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.