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Finding the Fourth Proportional to 339,969,506.60, 509,954,259.90 and 109,961,841.80

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Solution

The fourth proportional to 339,969,506.60, 509,954,259.90 and 109,961,841.80 is: 164,942,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,969,506.60 : 509,954,259.90 = 109,961,841.80 : x
  2. Step 2: Convert to fraction form
    339,969,506.60/509,954,259.90 = 109,961,841.80/x
  3. Step 3: Cross multiply
    339,969,506.60x = 509,954,259.90 × 109,961,841.80
  4. Step 4: Simplify right side
    339,969,506.60x = 56,075,509,652,359,880
  5. Step 5: Solve for x
    x = 56,075,509,652,359,880/339,969,506.60
  6. Step 6: Final answer
    x = 164,942,762.70

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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.