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Finding the Fourth Proportional to 619,495.58, 928,871.67 and 214,554.62

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Solution

The fourth proportional to 619,495.58, 928,871.67 and 214,554.62 is: 321,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,495.58 : 928,871.67 = 214,554.62 : x
  2. Step 2: Convert to fraction form
    619,495.58/928,871.67 = 214,554.62/x
  3. Step 3: Cross multiply
    619,495.58x = 928,871.67 × 214,554.62
  4. Step 4: Simplify right side
    619,495.58x = 199,293,708,185.62
  5. Step 5: Solve for x
    x = 199,293,708,185.62/619,495.58
  6. Step 6: Final answer
    x = 321,703.20

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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.