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Finding the Fourth Proportional to 624,725.16, 937,087.74 and 151,410.54

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Solution

The fourth proportional to 624,725.16, 937,087.74 and 151,410.54 is: 227,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,725.16 : 937,087.74 = 151,410.54 : x
  2. Step 2: Convert to fraction form
    624,725.16/937,087.74 = 151,410.54/x
  3. Step 3: Cross multiply
    624,725.16x = 937,087.74 × 151,410.54
  4. Step 4: Simplify right side
    624,725.16x = 141,884,960,740.78
  5. Step 5: Solve for x
    x = 141,884,960,740.78/624,725.16
  6. Step 6: Final answer
    x = 227,115.81

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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.