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Finding the Fourth Proportional to 380,371.49, 570,612.86 and 114,153.04

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Solution

The fourth proportional to 380,371.49, 570,612.86 and 114,153.04 is: 171,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,371.49 : 570,612.86 = 114,153.04 : x
  2. Step 2: Convert to fraction form
    380,371.49/570,612.86 = 114,153.04/x
  3. Step 3: Cross multiply
    380,371.49x = 570,612.86 × 114,153.04
  4. Step 4: Simplify right side
    380,371.49x = 65,137,192,632.09
  5. Step 5: Solve for x
    x = 65,137,192,632.09/380,371.49
  6. Step 6: Final answer
    x = 171,246.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.