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Finding the Fourth Proportional to 441,978.25, 609,930 and 240,774.25

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Solution

The fourth proportional to 441,978.25, 609,930 and 240,774.25 is: 332,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,978.25 : 609,930 = 240,774.25 : x
  2. Step 2: Convert to fraction form
    441,978.25/609,930 = 240,774.25/x
  3. Step 3: Cross multiply
    441,978.25x = 609,930 × 240,774.25
  4. Step 4: Simplify right side
    441,978.25x = 146,855,438,302.50
  5. Step 5: Solve for x
    x = 146,855,438,302.50/441,978.25
  6. Step 6: Final answer
    x = 332,268.47

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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.