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Finding the Fourth Proportional to 358,633.22, 494,913.80 and 197,487.88

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Solution

The fourth proportional to 358,633.22, 494,913.80 and 197,487.88 is: 272,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,633.22 : 494,913.80 = 197,487.88 : x
  2. Step 2: Convert to fraction form
    358,633.22/494,913.80 = 197,487.88/x
  3. Step 3: Cross multiply
    358,633.22x = 494,913.80 × 197,487.88
  4. Step 4: Simplify right side
    358,633.22x = 97,739,476,401.18
  5. Step 5: Solve for x
    x = 97,739,476,401.18/358,633.22
  6. Step 6: Final answer
    x = 272,533.25

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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.