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Finding the Fourth Proportional to 544,392.88, 751,287.18 and 302,700.28

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Solution

The fourth proportional to 544,392.88, 751,287.18 and 302,700.28 is: 417,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,392.88 : 751,287.18 = 302,700.28 : x
  2. Step 2: Convert to fraction form
    544,392.88/751,287.18 = 302,700.28/x
  3. Step 3: Cross multiply
    544,392.88x = 751,287.18 × 302,700.28
  4. Step 4: Simplify right side
    544,392.88x = 227,414,839,746.41
  5. Step 5: Solve for x
    x = 227,414,839,746.41/544,392.88
  6. Step 6: Final answer
    x = 417,740.29

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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.