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Finding the Fourth Proportional to 511,076,266.80, 766,614,400.20 and 365,957,444.40

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Solution

The fourth proportional to 511,076,266.80, 766,614,400.20 and 365,957,444.40 is: 548,936,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,076,266.80 : 766,614,400.20 = 365,957,444.40 : x
  2. Step 2: Convert to fraction form
    511,076,266.80/766,614,400.20 = 365,957,444.40/x
  3. Step 3: Cross multiply
    511,076,266.80x = 766,614,400.20 × 365,957,444.40
  4. Step 4: Simplify right side
    511,076,266.80x = 280,548,246,737,430,848
  5. Step 5: Solve for x
    x = 280,548,246,737,430,848/511,076,266.80
  6. Step 6: Final answer
    x = 548,936,166.60

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1.5x scale

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.