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Finding the Fourth Proportional to 624,718.92, 937,078.37 and 151,404.29

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Solution

The fourth proportional to 624,718.92, 937,078.37 and 151,404.29 is: 227,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,718.92 : 937,078.37 = 151,404.29 : x
  2. Step 2: Convert to fraction form
    624,718.92/937,078.37 = 151,404.29/x
  3. Step 3: Cross multiply
    624,718.92x = 937,078.37 × 151,404.29
  4. Step 4: Simplify right side
    624,718.92x = 141,877,679,841.79
  5. Step 5: Solve for x
    x = 141,877,679,841.79/624,718.92
  6. Step 6: Final answer
    x = 227,106.42

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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.