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Finding the Fourth Proportional to 384,101.40, 576,411.30 and 250,656.60

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Solution

The fourth proportional to 384,101.40, 576,411.30 and 250,656.60 is: 376,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,101.40 : 576,411.30 = 250,656.60 : x
  2. Step 2: Convert to fraction form
    384,101.40/576,411.30 = 250,656.60/x
  3. Step 3: Cross multiply
    384,101.40x = 576,411.30 × 250,656.60
  4. Step 4: Simplify right side
    384,101.40x = 144,481,296,659.58
  5. Step 5: Solve for x
    x = 144,481,296,659.58/384,101.40
  6. Step 6: Final answer
    x = 376,154.05

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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.