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Finding the Fourth Proportional to 201,704,915.80, 302,557,373.70 and 200,193,261.40

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Solution

The fourth proportional to 201,704,915.80, 302,557,373.70 and 200,193,261.40 is: 300,289,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,704,915.80 : 302,557,373.70 = 200,193,261.40 : x
  2. Step 2: Convert to fraction form
    201,704,915.80/302,557,373.70 = 200,193,261.40/x
  3. Step 3: Cross multiply
    201,704,915.80x = 302,557,373.70 × 200,193,261.40
  4. Step 4: Simplify right side
    201,704,915.80x = 60,569,947,401,621,584
  5. Step 5: Solve for x
    x = 60,569,947,401,621,584/201,704,915.80
  6. Step 6: Final answer
    x = 300,289,892.10

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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.