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Finding the Fourth Proportional to 582,338.40, 873,212.20 and 266,524.80

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Solution

The fourth proportional to 582,338.40, 873,212.20 and 266,524.80 is: 399,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,338.40 : 873,212.20 = 266,524.80 : x
  2. Step 2: Convert to fraction form
    582,338.40/873,212.20 = 266,524.80/x
  3. Step 3: Cross multiply
    582,338.40x = 873,212.20 × 266,524.80
  4. Step 4: Simplify right side
    582,338.40x = 232,732,706,962.56
  5. Step 5: Solve for x
    x = 232,732,706,962.56/582,338.40
  6. Step 6: Final answer
    x = 399,652.00

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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.