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Finding the Fourth Proportional to 396,014.94, 546,500.07 and 214,726.56

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Solution

The fourth proportional to 396,014.94, 546,500.07 and 214,726.56 is: 296,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,014.94 : 546,500.07 = 214,726.56 : x
  2. Step 2: Convert to fraction form
    396,014.94/546,500.07 = 214,726.56/x
  3. Step 3: Cross multiply
    396,014.94x = 546,500.07 × 214,726.56
  4. Step 4: Simplify right side
    396,014.94x = 117,348,080,070.86
  5. Step 5: Solve for x
    x = 117,348,080,070.86/396,014.94
  6. Step 6: Final answer
    x = 296,322.36

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1.5x scale

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.