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Finding the Fourth Proportional to 296,074.20, 443,455.20 and 243,586.20

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Solution

The fourth proportional to 296,074.20, 443,455.20 and 243,586.20 is: 364,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,074.20 : 443,455.20 = 243,586.20 : x
  2. Step 2: Convert to fraction form
    296,074.20/443,455.20 = 243,586.20/x
  3. Step 3: Cross multiply
    296,074.20x = 443,455.20 × 243,586.20
  4. Step 4: Simplify right side
    296,074.20x = 108,019,567,038.24
  5. Step 5: Solve for x
    x = 108,019,567,038.24/296,074.20
  6. Step 6: Final answer
    x = 364,839.51

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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.