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Finding the Fourth Proportional to 457,994.85, 631,980.36 and 264,401.79

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Solution

The fourth proportional to 457,994.85, 631,980.36 and 264,401.79 is: 364,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,994.85 : 631,980.36 = 264,401.79 : x
  2. Step 2: Convert to fraction form
    457,994.85/631,980.36 = 264,401.79/x
  3. Step 3: Cross multiply
    457,994.85x = 631,980.36 × 264,401.79
  4. Step 4: Simplify right side
    457,994.85x = 167,096,738,428.84
  5. Step 5: Solve for x
    x = 167,096,738,428.84/457,994.85
  6. Step 6: Final answer
    x = 364,844.14

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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.