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Finding the Fourth Proportional to 224,662,461.60, 336,993,692.40 and 199,153,293.60

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Solution

The fourth proportional to 224,662,461.60, 336,993,692.40 and 199,153,293.60 is: 298,729,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,662,461.60 : 336,993,692.40 = 199,153,293.60 : x
  2. Step 2: Convert to fraction form
    224,662,461.60/336,993,692.40 = 199,153,293.60/x
  3. Step 3: Cross multiply
    224,662,461.60x = 336,993,692.40 × 199,153,293.60
  4. Step 4: Simplify right side
    224,662,461.60x = 67,113,403,763,885,280
  5. Step 5: Solve for x
    x = 67,113,403,763,885,280/224,662,461.60
  6. Step 6: Final answer
    x = 298,729,940.40

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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.