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Finding the Fourth Proportional to 357,590.28, 493,255.70 and 212,297.44

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Solution

The fourth proportional to 357,590.28, 493,255.70 and 212,297.44 is: 292,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,590.28 : 493,255.70 = 212,297.44 : x
  2. Step 2: Convert to fraction form
    357,590.28/493,255.70 = 212,297.44/x
  3. Step 3: Cross multiply
    357,590.28x = 493,255.70 × 212,297.44
  4. Step 4: Simplify right side
    357,590.28x = 104,716,922,375.41
  5. Step 5: Solve for x
    x = 104,716,922,375.41/357,590.28
  6. Step 6: Final answer
    x = 292,840.52

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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.