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Finding the Fourth Proportional to 396,004, 546,261.96 and 234,700.60

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Solution

The fourth proportional to 396,004, 546,261.96 and 234,700.60 is: 323,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,004 : 546,261.96 = 234,700.60 : x
  2. Step 2: Convert to fraction form
    396,004/546,261.96 = 234,700.60/x
  3. Step 3: Cross multiply
    396,004x = 546,261.96 × 234,700.60
  4. Step 4: Simplify right side
    396,004x = 128,208,009,769.18
  5. Step 5: Solve for x
    x = 128,208,009,769.18/396,004
  6. Step 6: Final answer
    x = 323,754.33

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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.