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Finding the Fourth Proportional to 603,532.86, 832,872.56 and 331,617.57

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Solution

The fourth proportional to 603,532.86, 832,872.56 and 331,617.57 is: 457,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,532.86 : 832,872.56 = 331,617.57 : x
  2. Step 2: Convert to fraction form
    603,532.86/832,872.56 = 331,617.57/x
  3. Step 3: Cross multiply
    603,532.86x = 832,872.56 × 331,617.57
  4. Step 4: Simplify right side
    603,532.86x = 276,195,172,808.79
  5. Step 5: Solve for x
    x = 276,195,172,808.79/603,532.86
  6. Step 6: Final answer
    x = 457,630.71

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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.