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Finding the Fourth Proportional to 446,074.75, 615,503.77 and 252,481.51

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Solution

The fourth proportional to 446,074.75, 615,503.77 and 252,481.51 is: 348,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,074.75 : 615,503.77 = 252,481.51 : x
  2. Step 2: Convert to fraction form
    446,074.75/615,503.77 = 252,481.51/x
  3. Step 3: Cross multiply
    446,074.75x = 615,503.77 × 252,481.51
  4. Step 4: Simplify right side
    446,074.75x = 155,403,321,260.29
  5. Step 5: Solve for x
    x = 155,403,321,260.29/446,074.75
  6. Step 6: Final answer
    x = 348,379.55

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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.