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Finding the Fourth Proportional to 384,335.40, 576,503.10 and 244,367.40

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Solution

The fourth proportional to 384,335.40, 576,503.10 and 244,367.40 is: 366,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,335.40 : 576,503.10 = 244,367.40 : x
  2. Step 2: Convert to fraction form
    384,335.40/576,503.10 = 244,367.40/x
  3. Step 3: Cross multiply
    384,335.40x = 576,503.10 × 244,367.40
  4. Step 4: Simplify right side
    384,335.40x = 140,878,563,638.94
  5. Step 5: Solve for x
    x = 140,878,563,638.94/384,335.40
  6. Step 6: Final answer
    x = 366,551.10

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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.