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Finding the Fourth Proportional to 446,074.75, 615,174.78 and 293,052.25

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Solution

The fourth proportional to 446,074.75, 615,174.78 and 293,052.25 is: 404,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,074.75 : 615,174.78 = 293,052.25 : x
  2. Step 2: Convert to fraction form
    446,074.75/615,174.78 = 293,052.25/x
  3. Step 3: Cross multiply
    446,074.75x = 615,174.78 × 293,052.25
  4. Step 4: Simplify right side
    446,074.75x = 180,278,353,422.26
  5. Step 5: Solve for x
    x = 180,278,353,422.26/446,074.75
  6. Step 6: Final answer
    x = 404,143.82

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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.