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Finding the Fourth Proportional to 396,357.04, 546,936.60 and 235,184.32

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Solution

The fourth proportional to 396,357.04, 546,936.60 and 235,184.32 is: 324,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,357.04 : 546,936.60 = 235,184.32 : x
  2. Step 2: Convert to fraction form
    396,357.04/546,936.60 = 235,184.32/x
  3. Step 3: Cross multiply
    396,357.04x = 546,936.60 × 235,184.32
  4. Step 4: Simplify right side
    396,357.04x = 128,630,912,354.11
  5. Step 5: Solve for x
    x = 128,630,912,354.11/396,357.04
  6. Step 6: Final answer
    x = 324,532.93

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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.