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Finding the Fourth Proportional to 444,078.64, 612,813.36 and 253,153.54

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Solution

The fourth proportional to 444,078.64, 612,813.36 and 253,153.54 is: 349,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,078.64 : 612,813.36 = 253,153.54 : x
  2. Step 2: Convert to fraction form
    444,078.64/612,813.36 = 253,153.54/x
  3. Step 3: Cross multiply
    444,078.64x = 612,813.36 × 253,153.54
  4. Step 4: Simplify right side
    444,078.64x = 155,135,871,443.29
  5. Step 5: Solve for x
    x = 155,135,871,443.29/444,078.64
  6. Step 6: Final answer
    x = 349,343.24

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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.