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Finding the Fourth Proportional to 603,273.78, 832,527.82 and 331,366.80

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Solution

The fourth proportional to 603,273.78, 832,527.82 and 331,366.80 is: 457,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,273.78 : 832,527.82 = 331,366.80 : x
  2. Step 2: Convert to fraction form
    603,273.78/832,527.82 = 331,366.80/x
  3. Step 3: Cross multiply
    603,273.78x = 832,527.82 × 331,366.80
  4. Step 4: Simplify right side
    603,273.78x = 275,872,079,624.38
  5. Step 5: Solve for x
    x = 275,872,079,624.38/603,273.78
  6. Step 6: Final answer
    x = 457,291.68

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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.