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Finding the Fourth Proportional to 396,000.02, 546,446.25 and 223,909.55

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Solution

The fourth proportional to 396,000.02, 546,446.25 and 223,909.55 is: 308,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,000.02 : 546,446.25 = 223,909.55 : x
  2. Step 2: Convert to fraction form
    396,000.02/546,446.25 = 223,909.55/x
  3. Step 3: Cross multiply
    396,000.02x = 546,446.25 × 223,909.55
  4. Step 4: Simplify right side
    396,000.02x = 122,354,533,253.63
  5. Step 5: Solve for x
    x = 122,354,533,253.63/396,000.02
  6. Step 6: Final answer
    x = 308,976.08

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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.