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Finding the Fourth Proportional to 358,604.72, 494,874.51 and 197,459.37

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Solution

The fourth proportional to 358,604.72, 494,874.51 and 197,459.37 is: 272,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,604.72 : 494,874.51 = 197,459.37 : x
  2. Step 2: Convert to fraction form
    358,604.72/494,874.51 = 197,459.37/x
  3. Step 3: Cross multiply
    358,604.72x = 494,874.51 × 197,459.37
  4. Step 4: Simplify right side
    358,604.72x = 97,717,609,343.90
  5. Step 5: Solve for x
    x = 97,717,609,343.90/358,604.72
  6. Step 6: Final answer
    x = 272,493.93

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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.