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Finding the Fourth Proportional to 364,006.80, 546,334.20 and 214,059.60

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Solution

The fourth proportional to 364,006.80, 546,334.20 and 214,059.60 is: 321,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,006.80 : 546,334.20 = 214,059.60 : x
  2. Step 2: Convert to fraction form
    364,006.80/546,334.20 = 214,059.60/x
  3. Step 3: Cross multiply
    364,006.80x = 546,334.20 × 214,059.60
  4. Step 4: Simplify right side
    364,006.80x = 116,948,080,318.32
  5. Step 5: Solve for x
    x = 116,948,080,318.32/364,006.80
  6. Step 6: Final answer
    x = 321,279.93

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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.