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Finding the Fourth Proportional to 446,922.92, 616,765.78 and 242,987.56

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Solution

The fourth proportional to 446,922.92, 616,765.78 and 242,987.56 is: 335,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,922.92 : 616,765.78 = 242,987.56 : x
  2. Step 2: Convert to fraction form
    446,922.92/616,765.78 = 242,987.56/x
  3. Step 3: Cross multiply
    446,922.92x = 616,765.78 × 242,987.56
  4. Step 4: Simplify right side
    446,922.92x = 149,866,411,973.70
  5. Step 5: Solve for x
    x = 149,866,411,973.70/446,922.92
  6. Step 6: Final answer
    x = 335,329.44

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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.