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Finding the Fourth Proportional to 357,752.73, 535,743.35 and 262,757.65

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Solution

The fourth proportional to 357,752.73, 535,743.35 and 262,757.65 is: 393,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,752.73 : 535,743.35 = 262,757.65 : x
  2. Step 2: Convert to fraction form
    357,752.73/535,743.35 = 262,757.65/x
  3. Step 3: Cross multiply
    357,752.73x = 535,743.35 × 262,757.65
  4. Step 4: Simplify right side
    357,752.73x = 140,770,663,459.33
  5. Step 5: Solve for x
    x = 140,770,663,459.33/357,752.73
  6. Step 6: Final answer
    x = 393,485.93

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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.