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Finding the Fourth Proportional to 358,694.93, 495,002.54 and 197,554.95

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Solution

The fourth proportional to 358,694.93, 495,002.54 and 197,554.95 is: 272,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,694.93 : 495,002.54 = 197,554.95 : x
  2. Step 2: Convert to fraction form
    358,694.93/495,002.54 = 197,554.95/x
  3. Step 3: Cross multiply
    358,694.93x = 495,002.54 × 197,554.95
  4. Step 4: Simplify right side
    358,694.93x = 97,790,202,533.46
  5. Step 5: Solve for x
    x = 97,790,202,533.46/358,694.93
  6. Step 6: Final answer
    x = 272,627.78

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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.