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Finding the Fourth Proportional to 624,735.47, 937,103.21 and 151,420.82

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Solution

The fourth proportional to 624,735.47, 937,103.21 and 151,420.82 is: 227,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,735.47 : 937,103.21 = 151,420.82 : x
  2. Step 2: Convert to fraction form
    624,735.47/937,103.21 = 151,420.82/x
  3. Step 3: Cross multiply
    624,735.47x = 937,103.21 × 151,420.82
  4. Step 4: Simplify right side
    624,735.47x = 141,896,939,204.14
  5. Step 5: Solve for x
    x = 141,896,939,204.14/624,735.47
  6. Step 6: Final answer
    x = 227,131.24

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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.