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Finding the Fourth Proportional to 358,896.46, 495,312.00 and 268,094.78

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Solution

The fourth proportional to 358,896.46, 495,312.00 and 268,094.78 is: 369,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,896.46 : 495,312.00 = 268,094.78 : x
  2. Step 2: Convert to fraction form
    358,896.46/495,312.00 = 268,094.78/x
  3. Step 3: Cross multiply
    358,896.46x = 495,312.00 × 268,094.78
  4. Step 4: Simplify right side
    358,896.46x = 132,790,560,200.16
  5. Step 5: Solve for x
    x = 132,790,560,200.16/358,896.46
  6. Step 6: Final answer
    x = 369,996.85

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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.