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Finding the Fourth Proportional to 358,937.06, 495,336.47 and 197,797.88

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Solution

The fourth proportional to 358,937.06, 495,336.47 and 197,797.88 is: 272,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,937.06 : 495,336.47 = 197,797.88 : x
  2. Step 2: Convert to fraction form
    358,937.06/495,336.47 = 197,797.88/x
  3. Step 3: Cross multiply
    358,937.06x = 495,336.47 × 197,797.88
  4. Step 4: Simplify right side
    358,937.06x = 97,976,500,187.01
  5. Step 5: Solve for x
    x = 97,976,500,187.01/358,937.06
  6. Step 6: Final answer
    x = 272,962.90

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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.