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Finding the Fourth Proportional to 624,827.52, 937,241.01 and 151,512.80

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Solution

The fourth proportional to 624,827.52, 937,241.01 and 151,512.80 is: 227,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,827.52 : 937,241.01 = 151,512.80 : x
  2. Step 2: Convert to fraction form
    624,827.52/937,241.01 = 151,512.80/x
  3. Step 3: Cross multiply
    624,827.52x = 937,241.01 × 151,512.80
  4. Step 4: Simplify right side
    624,827.52x = 142,004,005,013.72
  5. Step 5: Solve for x
    x = 142,004,005,013.72/624,827.52
  6. Step 6: Final answer
    x = 227,269.13

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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.