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Finding the Fourth Proportional to 573,714,020.70, 860,571,031.05 and 185,815,234.80

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Solution

The fourth proportional to 573,714,020.70, 860,571,031.05 and 185,815,234.80 is: 278,722,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,714,020.70 : 860,571,031.05 = 185,815,234.80 : x
  2. Step 2: Convert to fraction form
    573,714,020.70/860,571,031.05 = 185,815,234.80/x
  3. Step 3: Cross multiply
    573,714,020.70x = 860,571,031.05 × 185,815,234.80
  4. Step 4: Simplify right side
    573,714,020.70x = 159,907,208,196,633,856
  5. Step 5: Solve for x
    x = 159,907,208,196,633,856/573,714,020.70
  6. Step 6: Final answer
    x = 278,722,852.20

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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.