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Finding the Fourth Proportional to 440,425.71, 660,405.29 and 174,175.47

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Solution

The fourth proportional to 440,425.71, 660,405.29 and 174,175.47 is: 261,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,425.71 : 660,405.29 = 174,175.47 : x
  2. Step 2: Convert to fraction form
    440,425.71/660,405.29 = 174,175.47/x
  3. Step 3: Cross multiply
    440,425.71x = 660,405.29 × 174,175.47
  4. Step 4: Simplify right side
    440,425.71x = 115,026,400,905.36
  5. Step 5: Solve for x
    x = 115,026,400,905.36/440,425.71
  6. Step 6: Final answer
    x = 261,170.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.