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Finding the Fourth Proportional to 610,871.58, 915,939.18 and 273,851.22

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Solution

The fourth proportional to 610,871.58, 915,939.18 and 273,851.22 is: 410,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,871.58 : 915,939.18 = 273,851.22 : x
  2. Step 2: Convert to fraction form
    610,871.58/915,939.18 = 273,851.22/x
  3. Step 3: Cross multiply
    610,871.58x = 915,939.18 × 273,851.22
  4. Step 4: Simplify right side
    610,871.58x = 250,831,061,888.80
  5. Step 5: Solve for x
    x = 250,831,061,888.80/610,871.58
  6. Step 6: Final answer
    x = 410,611.77

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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.