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Finding the Fourth Proportional to 504,939,261.60, 757,408,892.40 and 262,570,672.80

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Solution

The fourth proportional to 504,939,261.60, 757,408,892.40 and 262,570,672.80 is: 393,856,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,939,261.60 : 757,408,892.40 = 262,570,672.80 : x
  2. Step 2: Convert to fraction form
    504,939,261.60/757,408,892.40 = 262,570,672.80/x
  3. Step 3: Cross multiply
    504,939,261.60x = 757,408,892.40 × 262,570,672.80
  4. Step 4: Simplify right side
    504,939,261.60x = 198,873,362,462,170,816
  5. Step 5: Solve for x
    x = 198,873,362,462,170,816/504,939,261.60
  6. Step 6: Final answer
    x = 393,856,009.20

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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.