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Finding the Fourth Proportional to 446,342.64, 615,953.88 and 245,151.60

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Solution

The fourth proportional to 446,342.64, 615,953.88 and 245,151.60 is: 338,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,342.64 : 615,953.88 = 245,151.60 : x
  2. Step 2: Convert to fraction form
    446,342.64/615,953.88 = 245,151.60/x
  3. Step 3: Cross multiply
    446,342.64x = 615,953.88 × 245,151.60
  4. Step 4: Simplify right side
    446,342.64x = 151,002,079,208.21
  5. Step 5: Solve for x
    x = 151,002,079,208.21/446,342.64
  6. Step 6: Final answer
    x = 338,309.78

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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.