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Finding the Fourth Proportional to 295,570.10, 443,355.15 and 82,337.60

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Solution

The fourth proportional to 295,570.10, 443,355.15 and 82,337.60 is: 123,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,570.10 : 443,355.15 = 82,337.60 : x
  2. Step 2: Convert to fraction form
    295,570.10/443,355.15 = 82,337.60/x
  3. Step 3: Cross multiply
    295,570.10x = 443,355.15 × 82,337.60
  4. Step 4: Simplify right side
    295,570.10x = 36,504,798,998.64
  5. Step 5: Solve for x
    x = 36,504,798,998.64/295,570.10
  6. Step 6: Final answer
    x = 123,506.40

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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.