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Finding the Fourth Proportional to 582,097, 873,145.70 and 261,874.80

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Solution

The fourth proportional to 582,097, 873,145.70 and 261,874.80 is: 392,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,097 : 873,145.70 = 261,874.80 : x
  2. Step 2: Convert to fraction form
    582,097/873,145.70 = 261,874.80/x
  3. Step 3: Cross multiply
    582,097x = 873,145.70 × 261,874.80
  4. Step 4: Simplify right side
    582,097x = 228,654,855,558.36
  5. Step 5: Solve for x
    x = 228,654,855,558.36/582,097
  6. Step 6: Final answer
    x = 392,812.29

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Similar ratio
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1.5x scale

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.