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Finding the Fourth Proportional to 358,533.86, 494,757.94 and 197,357.42

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Solution

The fourth proportional to 358,533.86, 494,757.94 and 197,357.42 is: 272,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,533.86 : 494,757.94 = 197,357.42 : x
  2. Step 2: Convert to fraction form
    358,533.86/494,757.94 = 197,357.42/x
  3. Step 3: Cross multiply
    358,533.86x = 494,757.94 × 197,357.42
  4. Step 4: Simplify right side
    358,533.86x = 97,644,151,306.42
  5. Step 5: Solve for x
    x = 97,644,151,306.42/358,533.86
  6. Step 6: Final answer
    x = 272,342.90

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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.