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Finding the Fourth Proportional to 441,354.44, 608,912.48 and 288,480.92

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Solution

The fourth proportional to 441,354.44, 608,912.48 and 288,480.92 is: 398,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,354.44 : 608,912.48 = 288,480.92 : x
  2. Step 2: Convert to fraction form
    441,354.44/608,912.48 = 288,480.92/x
  3. Step 3: Cross multiply
    441,354.44x = 608,912.48 × 288,480.92
  4. Step 4: Simplify right side
    441,354.44x = 175,659,630,106.52
  5. Step 5: Solve for x
    x = 175,659,630,106.52/441,354.44
  6. Step 6: Final answer
    x = 398,001.27

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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.