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Finding the Fourth Proportional to 250,947,395.60, 376,421,093.40 and 199,291,330.40

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Solution

The fourth proportional to 250,947,395.60, 376,421,093.40 and 199,291,330.40 is: 298,936,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,947,395.60 : 376,421,093.40 = 199,291,330.40 : x
  2. Step 2: Convert to fraction form
    250,947,395.60/376,421,093.40 = 199,291,330.40/x
  3. Step 3: Cross multiply
    250,947,395.60x = 376,421,093.40 × 199,291,330.40
  4. Step 4: Simplify right side
    250,947,395.60x = 75,017,460,494,308,656
  5. Step 5: Solve for x
    x = 75,017,460,494,308,656/250,947,395.60
  6. Step 6: Final answer
    x = 298,936,995.60

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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.