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Finding the Fourth Proportional to 737,803.28, 1,018,141.64 and 411,099.41

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Solution

The fourth proportional to 737,803.28, 1,018,141.64 and 411,099.41 is: 567,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,803.28 : 1,018,141.64 = 411,099.41 : x
  2. Step 2: Convert to fraction form
    737,803.28/1,018,141.64 = 411,099.41/x
  3. Step 3: Cross multiply
    737,803.28x = 1,018,141.64 × 411,099.41
  4. Step 4: Simplify right side
    737,803.28x = 418,557,422,409.72
  5. Step 5: Solve for x
    x = 418,557,422,409.72/737,803.28
  6. Step 6: Final answer
    x = 567,302.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.