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Finding the Fourth Proportional to 396,038.62, 546,534.57 and 214,750.42

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Solution

The fourth proportional to 396,038.62, 546,534.57 and 214,750.42 is: 296,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,038.62 : 546,534.57 = 214,750.42 : x
  2. Step 2: Convert to fraction form
    396,038.62/546,534.57 = 214,750.42/x
  3. Step 3: Cross multiply
    396,038.62x = 546,534.57 × 214,750.42
  4. Step 4: Simplify right side
    396,038.62x = 117,368,528,452.02
  5. Step 5: Solve for x
    x = 117,368,528,452.02/396,038.62
  6. Step 6: Final answer
    x = 296,356.27

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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.