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Finding the Fourth Proportional to 365,975,997.60, 548,960,497.20 and 89,628,427.20

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Solution

The fourth proportional to 365,975,997.60, 548,960,497.20 and 89,628,427.20 is: 134,441,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,975,997.60 : 548,960,497.20 = 89,628,427.20 : x
  2. Step 2: Convert to fraction form
    365,975,997.60/548,960,497.20 = 89,628,427.20/x
  3. Step 3: Cross multiply
    365,975,997.60x = 548,960,497.20 × 89,628,427.20
  4. Step 4: Simplify right side
    365,975,997.60x = 49,202,465,958,966,008
  5. Step 5: Solve for x
    x = 49,202,465,958,966,008/365,975,997.60
  6. Step 6: Final answer
    x = 134,441,783.84

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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.