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Finding the Fourth Proportional to 737,804.28, 1,018,143.02 and 411,100.41

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Solution

The fourth proportional to 737,804.28, 1,018,143.02 and 411,100.41 is: 567,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,804.28 : 1,018,143.02 = 411,100.41 : x
  2. Step 2: Convert to fraction form
    737,804.28/1,018,143.02 = 411,100.41/x
  3. Step 3: Cross multiply
    737,804.28x = 1,018,143.02 × 411,100.41
  4. Step 4: Simplify right side
    737,804.28x = 418,559,012,960.64
  5. Step 5: Solve for x
    x = 418,559,012,960.64/737,804.28
  6. Step 6: Final answer
    x = 567,303.58

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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.