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Finding the Fourth Proportional to 1,340,188, 1,849,459.44 and 736,576

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Solution

The fourth proportional to 1,340,188, 1,849,459.44 and 736,576 is: 1,016,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,188 : 1,849,459.44 = 736,576 : x
  2. Step 2: Convert to fraction form
    1,340,188/1,849,459.44 = 736,576/x
  3. Step 3: Cross multiply
    1,340,188x = 1,849,459.44 × 736,576
  4. Step 4: Simplify right side
    1,340,188x = 1,362,267,436,477.44
  5. Step 5: Solve for x
    x = 1,362,267,436,477.44/1,340,188
  6. Step 6: Final answer
    x = 1,016,474.88

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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.