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Finding the Fourth Proportional to 457,796.72, 631,760.84 and 253,862.01

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Solution

The fourth proportional to 457,796.72, 631,760.84 and 253,862.01 is: 350,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,796.72 : 631,760.84 = 253,862.01 : x
  2. Step 2: Convert to fraction form
    457,796.72/631,760.84 = 253,862.01/x
  3. Step 3: Cross multiply
    457,796.72x = 631,760.84 × 253,862.01
  4. Step 4: Simplify right side
    457,796.72x = 160,380,075,412.38
  5. Step 5: Solve for x
    x = 160,380,075,412.38/457,796.72
  6. Step 6: Final answer
    x = 350,330.33

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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.