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Finding the Fourth Proportional to 446,169.20, 615,827.12 and 255,242.48

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Solution

The fourth proportional to 446,169.20, 615,827.12 and 255,242.48 is: 352,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,169.20 : 615,827.12 = 255,242.48 : x
  2. Step 2: Convert to fraction form
    446,169.20/615,827.12 = 255,242.48/x
  3. Step 3: Cross multiply
    446,169.20x = 615,827.12 × 255,242.48
  4. Step 4: Simplify right side
    446,169.20x = 157,185,241,360.06
  5. Step 5: Solve for x
    x = 157,185,241,360.06/446,169.20
  6. Step 6: Final answer
    x = 352,299.62

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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.