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Finding the Fourth Proportional to 441,290, 608,980.20 and 240,087.44

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Solution

The fourth proportional to 441,290, 608,980.20 and 240,087.44 is: 331,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,290 : 608,980.20 = 240,087.44 : x
  2. Step 2: Convert to fraction form
    441,290/608,980.20 = 240,087.44/x
  3. Step 3: Cross multiply
    441,290x = 608,980.20 × 240,087.44
  4. Step 4: Simplify right side
    441,290x = 146,208,497,228.69
  5. Step 5: Solve for x
    x = 146,208,497,228.69/441,290
  6. Step 6: Final answer
    x = 331,320.67

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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.