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Finding the Fourth Proportional to 296,074.70, 443,455.95 and 243,586.70

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Solution

The fourth proportional to 296,074.70, 443,455.95 and 243,586.70 is: 364,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,074.70 : 443,455.95 = 243,586.70 : x
  2. Step 2: Convert to fraction form
    296,074.70/443,455.95 = 243,586.70/x
  3. Step 3: Cross multiply
    296,074.70x = 443,455.95 × 243,586.70
  4. Step 4: Simplify right side
    296,074.70x = 108,019,971,455.87
  5. Step 5: Solve for x
    x = 108,019,971,455.87/296,074.70
  6. Step 6: Final answer
    x = 364,840.26

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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.