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Finding the Fourth Proportional to 201,276,658.60, 301,914,987.90 and 200,001,200.20

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Solution

The fourth proportional to 201,276,658.60, 301,914,987.90 and 200,001,200.20 is: 300,001,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,276,658.60 : 301,914,987.90 = 200,001,200.20 : x
  2. Step 2: Convert to fraction form
    201,276,658.60/301,914,987.90 = 200,001,200.20/x
  3. Step 3: Cross multiply
    201,276,658.60x = 301,914,987.90 × 200,001,200.20
  4. Step 4: Simplify right side
    201,276,658.60x = 60,383,359,938,368,472
  5. Step 5: Solve for x
    x = 60,383,359,938,368,472/201,276,658.60
  6. Step 6: Final answer
    x = 300,001,800.30

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1.5x scale

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.