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Finding the Fourth Proportional to 291,674.45, 402,599.69 and 169,197.78

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Solution

The fourth proportional to 291,674.45, 402,599.69 and 169,197.78 is: 233,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,674.45 : 402,599.69 = 169,197.78 : x
  2. Step 2: Convert to fraction form
    291,674.45/402,599.69 = 169,197.78/x
  3. Step 3: Cross multiply
    291,674.45x = 402,599.69 × 169,197.78
  4. Step 4: Simplify right side
    291,674.45x = 68,118,971,763.69
  5. Step 5: Solve for x
    x = 68,118,971,763.69/291,674.45
  6. Step 6: Final answer
    x = 233,544.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.