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Finding the Fourth Proportional to 303,193,148.40, 454,789,722.60 and 121,570,671.60

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Solution

The fourth proportional to 303,193,148.40, 454,789,722.60 and 121,570,671.60 is: 182,356,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,193,148.40 : 454,789,722.60 = 121,570,671.60 : x
  2. Step 2: Convert to fraction form
    303,193,148.40/454,789,722.60 = 121,570,671.60/x
  3. Step 3: Cross multiply
    303,193,148.40x = 454,789,722.60 × 121,570,671.60
  4. Step 4: Simplify right side
    303,193,148.40x = 55,289,092,013,259,696
  5. Step 5: Solve for x
    x = 55,289,092,013,259,696/303,193,148.40
  6. Step 6: Final answer
    x = 182,356,007.40

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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.