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Finding the Fourth Proportional to 573,712,420.20, 860,568,630.30 and 185,813,634.30

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Solution

The fourth proportional to 573,712,420.20, 860,568,630.30 and 185,813,634.30 is: 278,720,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,712,420.20 : 860,568,630.30 = 185,813,634.30 : x
  2. Step 2: Convert to fraction form
    573,712,420.20/860,568,630.30 = 185,813,634.30/x
  3. Step 3: Cross multiply
    573,712,420.20x = 860,568,630.30 × 185,813,634.30
  4. Step 4: Simplify right side
    573,712,420.20x = 159,905,384,760,616,096
  5. Step 5: Solve for x
    x = 159,905,384,760,616,096/573,712,420.20
  6. Step 6: Final answer
    x = 278,720,451.45

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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.