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Finding the Fourth Proportional to 637,277.90, 879,443.25 and 350,796.50

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Solution

The fourth proportional to 637,277.90, 879,443.25 and 350,796.50 is: 484,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,277.90 : 879,443.25 = 350,796.50 : x
  2. Step 2: Convert to fraction form
    637,277.90/879,443.25 = 350,796.50/x
  3. Step 3: Cross multiply
    637,277.90x = 879,443.25 × 350,796.50
  4. Step 4: Simplify right side
    637,277.90x = 308,505,614,048.63
  5. Step 5: Solve for x
    x = 308,505,614,048.63/637,277.90
  6. Step 6: Final answer
    x = 484,099.03

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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.