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Finding the Fourth Proportional to 354,018,873.60, 531,028,310.40 and 331,344,057.60

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Solution

The fourth proportional to 354,018,873.60, 531,028,310.40 and 331,344,057.60 is: 497,016,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,018,873.60 : 531,028,310.40 = 331,344,057.60 : x
  2. Step 2: Convert to fraction form
    354,018,873.60/531,028,310.40 = 331,344,057.60/x
  3. Step 3: Cross multiply
    354,018,873.60x = 531,028,310.40 × 331,344,057.60
  4. Step 4: Simplify right side
    354,018,873.60x = 175,953,075,068,408,288
  5. Step 5: Solve for x
    x = 175,953,075,068,408,288/354,018,873.60
  6. Step 6: Final answer
    x = 497,016,086.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.