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Finding the Fourth Proportional to 357,747.85, 535,736.04 and 262,752.77

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Solution

The fourth proportional to 357,747.85, 535,736.04 and 262,752.77 is: 393,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,747.85 : 535,736.04 = 262,752.77 : x
  2. Step 2: Convert to fraction form
    357,747.85/535,736.04 = 262,752.77/x
  3. Step 3: Cross multiply
    357,747.85x = 535,736.04 × 262,752.77
  4. Step 4: Simplify right side
    357,747.85x = 140,766,128,852.85
  5. Step 5: Solve for x
    x = 140,766,128,852.85/357,747.85
  6. Step 6: Final answer
    x = 393,478.61

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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.