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Finding the Fourth Proportional to 330,274.34, 495,602.18 and 178,471.94

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Solution

The fourth proportional to 330,274.34, 495,602.18 and 178,471.94 is: 267,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,274.34 : 495,602.18 = 178,471.94 : x
  2. Step 2: Convert to fraction form
    330,274.34/495,602.18 = 178,471.94/x
  3. Step 3: Cross multiply
    330,274.34x = 495,602.18 × 178,471.94
  4. Step 4: Simplify right side
    330,274.34x = 88,451,082,532.83
  5. Step 5: Solve for x
    x = 88,451,082,532.83/330,274.34
  6. Step 6: Final answer
    x = 267,810.94

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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.