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Finding the Fourth Proportional to 362,994,207.60, 544,491,311.40 and 120,625,618.80

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Solution

The fourth proportional to 362,994,207.60, 544,491,311.40 and 120,625,618.80 is: 180,938,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,994,207.60 : 544,491,311.40 = 120,625,618.80 : x
  2. Step 2: Convert to fraction form
    362,994,207.60/544,491,311.40 = 120,625,618.80/x
  3. Step 3: Cross multiply
    362,994,207.60x = 544,491,311.40 × 120,625,618.80
  4. Step 4: Simplify right side
    362,994,207.60x = 65,679,601,368,848,488
  5. Step 5: Solve for x
    x = 65,679,601,368,848,488/362,994,207.60
  6. Step 6: Final answer
    x = 180,938,428.20

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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.