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Finding the Fourth Proportional to 199,347,934.40, 298,350,055.20 and 199,347,934.40

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Solution

The fourth proportional to 199,347,934.40, 298,350,055.20 and 199,347,934.40 is: 298,350,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,347,934.40 : 298,350,055.20 = 199,347,934.40 : x
  2. Step 2: Convert to fraction form
    199,347,934.40/298,350,055.20 = 199,347,934.40/x
  3. Step 3: Cross multiply
    199,347,934.40x = 298,350,055.20 × 199,347,934.40
  4. Step 4: Simplify right side
    199,347,934.40x = 59,475,467,232,245,976
  5. Step 5: Solve for x
    x = 59,475,467,232,245,976/199,347,934.40
  6. Step 6: Final answer
    x = 298,350,055.20

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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.