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Finding the Fourth Proportional to 446,246.32, 615,817.08 and 255,262.88

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Solution

The fourth proportional to 446,246.32, 615,817.08 and 255,262.88 is: 352,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,246.32 : 615,817.08 = 255,262.88 : x
  2. Step 2: Convert to fraction form
    446,246.32/615,817.08 = 255,262.88/x
  3. Step 3: Cross multiply
    446,246.32x = 615,817.08 × 255,262.88
  4. Step 4: Simplify right side
    446,246.32x = 157,195,241,393.99
  5. Step 5: Solve for x
    x = 157,195,241,393.99/446,246.32
  6. Step 6: Final answer
    x = 352,261.15

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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.