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Finding the Fourth Proportional to 358,314.82, 494,473.46 and 197,180.30

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Solution

The fourth proportional to 358,314.82, 494,473.46 and 197,180.30 is: 272,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,314.82 : 494,473.46 = 197,180.30 : x
  2. Step 2: Convert to fraction form
    358,314.82/494,473.46 = 197,180.30/x
  3. Step 3: Cross multiply
    358,314.82x = 494,473.46 × 197,180.30
  4. Step 4: Simplify right side
    358,314.82x = 97,500,425,184.84
  5. Step 5: Solve for x
    x = 97,500,425,184.84/358,314.82
  6. Step 6: Final answer
    x = 272,108.27

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1.5x scale

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.