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Finding the Fourth Proportional to 295,790.40, 443,102.40 and 274,795.20

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Solution

The fourth proportional to 295,790.40, 443,102.40 and 274,795.20 is: 411,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,790.40 : 443,102.40 = 274,795.20 : x
  2. Step 2: Convert to fraction form
    295,790.40/443,102.40 = 274,795.20/x
  3. Step 3: Cross multiply
    295,790.40x = 443,102.40 × 274,795.20
  4. Step 4: Simplify right side
    295,790.40x = 121,762,412,628.48
  5. Step 5: Solve for x
    x = 121,762,412,628.48/295,790.40
  6. Step 6: Final answer
    x = 411,651.00

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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.