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Finding the Fourth Proportional to 446,157.73, 615,659.56 and 255,140.29

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Solution

The fourth proportional to 446,157.73, 615,659.56 and 255,140.29 is: 352,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,157.73 : 615,659.56 = 255,140.29 : x
  2. Step 2: Convert to fraction form
    446,157.73/615,659.56 = 255,140.29/x
  3. Step 3: Cross multiply
    446,157.73x = 615,659.56 × 255,140.29
  4. Step 4: Simplify right side
    446,157.73x = 157,079,558,679.67
  5. Step 5: Solve for x
    x = 157,079,558,679.67/446,157.73
  6. Step 6: Final answer
    x = 352,071.81

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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.