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Finding the Fourth Proportional to 457,860.94, 631,848.14 and 253,943.04

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Solution

The fourth proportional to 457,860.94, 631,848.14 and 253,943.04 is: 350,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,860.94 : 631,848.14 = 253,943.04 : x
  2. Step 2: Convert to fraction form
    457,860.94/631,848.14 = 253,943.04/x
  3. Step 3: Cross multiply
    457,860.94x = 631,848.14 × 253,943.04
  4. Step 4: Simplify right side
    457,860.94x = 160,453,433,060.99
  5. Step 5: Solve for x
    x = 160,453,433,060.99/457,860.94
  6. Step 6: Final answer
    x = 350,441.41

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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.