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Finding the Fourth Proportional to 603,663.85, 832,709.22 and 376,915.69

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Solution

The fourth proportional to 603,663.85, 832,709.22 and 376,915.69 is: 519,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,663.85 : 832,709.22 = 376,915.69 : x
  2. Step 2: Convert to fraction form
    603,663.85/832,709.22 = 376,915.69/x
  3. Step 3: Cross multiply
    603,663.85x = 832,709.22 × 376,915.69
  4. Step 4: Simplify right side
    603,663.85x = 313,861,169,853.12
  5. Step 5: Solve for x
    x = 313,861,169,853.12/603,663.85
  6. Step 6: Final answer
    x = 519,927.06

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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.