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Finding the Fourth Proportional to 450,846, 622,186.92 and 249,642

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Solution

The fourth proportional to 450,846, 622,186.92 and 249,642 is: 344,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,846 : 622,186.92 = 249,642 : x
  2. Step 2: Convert to fraction form
    450,846/622,186.92 = 249,642/x
  3. Step 3: Cross multiply
    450,846x = 622,186.92 × 249,642
  4. Step 4: Simplify right side
    450,846x = 155,323,987,082.64
  5. Step 5: Solve for x
    x = 155,323,987,082.64/450,846
  6. Step 6: Final answer
    x = 344,516.72

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