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Finding the Fourth Proportional to 307,330.80, 460,996.20 and 201,042.60

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Solution

The fourth proportional to 307,330.80, 460,996.20 and 201,042.60 is: 301,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,330.80 : 460,996.20 = 201,042.60 : x
  2. Step 2: Convert to fraction form
    307,330.80/460,996.20 = 201,042.60/x
  3. Step 3: Cross multiply
    307,330.80x = 460,996.20 × 201,042.60
  4. Step 4: Simplify right side
    307,330.80x = 92,679,874,638.12
  5. Step 5: Solve for x
    x = 92,679,874,638.12/307,330.80
  6. Step 6: Final answer
    x = 301,563.90

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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.