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Finding the Fourth Proportional to 603,509.44, 832,496.56 and 376,761.28

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Solution

The fourth proportional to 603,509.44, 832,496.56 and 376,761.28 is: 519,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,509.44 : 832,496.56 = 376,761.28 : x
  2. Step 2: Convert to fraction form
    603,509.44/832,496.56 = 376,761.28/x
  3. Step 3: Cross multiply
    603,509.44x = 832,496.56 × 376,761.28
  4. Step 4: Simplify right side
    603,509.44x = 313,652,469,541.20
  5. Step 5: Solve for x
    x = 313,652,469,541.20/603,509.44
  6. Step 6: Final answer
    x = 519,714.27

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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.