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Finding the Fourth Proportional to 395,956.06, 546,423.12 and 214,667.52

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Solution

The fourth proportional to 395,956.06, 546,423.12 and 214,667.52 is: 296,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,956.06 : 546,423.12 = 214,667.52 : x
  2. Step 2: Convert to fraction form
    395,956.06/546,423.12 = 214,667.52/x
  3. Step 3: Cross multiply
    395,956.06x = 546,423.12 × 214,667.52
  4. Step 4: Simplify right side
    395,956.06x = 117,299,296,041.06
  5. Step 5: Solve for x
    x = 117,299,296,041.06/395,956.06
  6. Step 6: Final answer
    x = 296,243.21

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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.