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Finding the Fourth Proportional to 384,551.70, 576,827.55 and 234,960.90

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Solution

The fourth proportional to 384,551.70, 576,827.55 and 234,960.90 is: 352,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,551.70 : 576,827.55 = 234,960.90 : x
  2. Step 2: Convert to fraction form
    384,551.70/576,827.55 = 234,960.90/x
  3. Step 3: Cross multiply
    384,551.70x = 576,827.55 × 234,960.90
  4. Step 4: Simplify right side
    384,551.70x = 135,531,920,292.80
  5. Step 5: Solve for x
    x = 135,531,920,292.80/384,551.70
  6. Step 6: Final answer
    x = 352,441.35

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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.