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Finding the Fourth Proportional to 1,133,978.63, 1,700,936.82 and 494,281.98

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Solution

The fourth proportional to 1,133,978.63, 1,700,936.82 and 494,281.98 is: 741,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,978.63 : 1,700,936.82 = 494,281.98 : x
  2. Step 2: Convert to fraction form
    1,133,978.63/1,700,936.82 = 494,281.98/x
  3. Step 3: Cross multiply
    1,133,978.63x = 1,700,936.82 × 494,281.98
  4. Step 4: Simplify right side
    1,133,978.63x = 840,742,419,244.50
  5. Step 5: Solve for x
    x = 840,742,419,244.50/1,133,978.63
  6. Step 6: Final answer
    x = 741,409.41

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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.