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Finding the Fourth Proportional to 201,948.60, 302,922.90 and 200,566.20

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Solution

The fourth proportional to 201,948.60, 302,922.90 and 200,566.20 is: 300,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,948.60 : 302,922.90 = 200,566.20 : x
  2. Step 2: Convert to fraction form
    201,948.60/302,922.90 = 200,566.20/x
  3. Step 3: Cross multiply
    201,948.60x = 302,922.90 × 200,566.20
  4. Step 4: Simplify right side
    201,948.60x = 60,756,094,945.98
  5. Step 5: Solve for x
    x = 60,756,094,945.98/201,948.60
  6. Step 6: Final answer
    x = 300,849.30

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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.