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Finding the Fourth Proportional to 544,393.60, 751,243.54 and 299,376.30

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Solution

The fourth proportional to 544,393.60, 751,243.54 and 299,376.30 is: 413,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,393.60 : 751,243.54 = 299,376.30 : x
  2. Step 2: Convert to fraction form
    544,393.60/751,243.54 = 299,376.30/x
  3. Step 3: Cross multiply
    544,393.60x = 751,243.54 × 299,376.30
  4. Step 4: Simplify right side
    544,393.60x = 224,904,508,029.11
  5. Step 5: Solve for x
    x = 224,904,508,029.11/544,393.60
  6. Step 6: Final answer
    x = 413,128.49

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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.