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Finding the Fourth Proportional to 681,548.62, 940,533.96 and 375,624.34

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Solution

The fourth proportional to 681,548.62, 940,533.96 and 375,624.34 is: 518,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,548.62 : 940,533.96 = 375,624.34 : x
  2. Step 2: Convert to fraction form
    681,548.62/940,533.96 = 375,624.34/x
  3. Step 3: Cross multiply
    681,548.62x = 940,533.96 × 375,624.34
  4. Step 4: Simplify right side
    681,548.62x = 353,287,447,972.59
  5. Step 5: Solve for x
    x = 353,287,447,972.59/681,548.62
  6. Step 6: Final answer
    x = 518,359.86

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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.