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Finding the Fourth Proportional to 341,012.34, 470,586.21 and 188,056.96

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Solution

The fourth proportional to 341,012.34, 470,586.21 and 188,056.96 is: 259,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,012.34 : 470,586.21 = 188,056.96 : x
  2. Step 2: Convert to fraction form
    341,012.34/470,586.21 = 188,056.96/x
  3. Step 3: Cross multiply
    341,012.34x = 470,586.21 × 188,056.96
  4. Step 4: Simplify right side
    341,012.34x = 88,497,012,070.52
  5. Step 5: Solve for x
    x = 88,497,012,070.52/341,012.34
  6. Step 6: Final answer
    x = 259,512.64

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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.