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Finding the Fourth Proportional to 202,447,302.40, 303,670,953.60 and 193,041,452.80

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Solution

The fourth proportional to 202,447,302.40, 303,670,953.60 and 193,041,452.80 is: 289,562,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,447,302.40 : 303,670,953.60 = 193,041,452.80 : x
  2. Step 2: Convert to fraction form
    202,447,302.40/303,670,953.60 = 193,041,452.80/x
  3. Step 3: Cross multiply
    202,447,302.40x = 303,670,953.60 × 193,041,452.80
  4. Step 4: Simplify right side
    202,447,302.40x = 58,621,082,056,105,400
  5. Step 5: Solve for x
    x = 58,621,082,056,105,400/202,447,302.40
  6. Step 6: Final answer
    x = 289,562,179.20

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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.