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Finding the Fourth Proportional to 296,838.84, 445,154.58 and 178,531.32

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Solution

The fourth proportional to 296,838.84, 445,154.58 and 178,531.32 is: 267,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,838.84 : 445,154.58 = 178,531.32 : x
  2. Step 2: Convert to fraction form
    296,838.84/445,154.58 = 178,531.32/x
  3. Step 3: Cross multiply
    296,838.84x = 445,154.58 × 178,531.32
  4. Step 4: Simplify right side
    296,838.84x = 79,474,034,771.45
  5. Step 5: Solve for x
    x = 79,474,034,771.45/296,838.84
  6. Step 6: Final answer
    x = 267,734.62

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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.