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Finding the Fourth Proportional to 573,947,296.80, 860,920,945.20 and 246,367,064.40

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Solution

The fourth proportional to 573,947,296.80, 860,920,945.20 and 246,367,064.40 is: 369,550,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,947,296.80 : 860,920,945.20 = 246,367,064.40 : x
  2. Step 2: Convert to fraction form
    573,947,296.80/860,920,945.20 = 246,367,064.40/x
  3. Step 3: Cross multiply
    573,947,296.80x = 860,920,945.20 × 246,367,064.40
  4. Step 4: Simplify right side
    573,947,296.80x = 212,102,565,949,397,280
  5. Step 5: Solve for x
    x = 212,102,565,949,397,280/573,947,296.80
  6. Step 6: Final answer
    x = 369,550,596.60

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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.