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Finding the Fourth Proportional to 624,720.92, 937,081.36 and 151,406.28

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Solution

The fourth proportional to 624,720.92, 937,081.36 and 151,406.28 is: 227,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,720.92 : 937,081.36 = 151,406.28 : x
  2. Step 2: Convert to fraction form
    624,720.92/937,081.36 = 151,406.28/x
  3. Step 3: Cross multiply
    624,720.92x = 937,081.36 × 151,406.28
  4. Step 4: Simplify right side
    624,720.92x = 141,880,002,774.94
  5. Step 5: Solve for x
    x = 141,880,002,774.94/624,720.92
  6. Step 6: Final answer
    x = 227,109.42

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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.