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Finding the Fourth Proportional to 456,261.54, 629,615.79 and 252,300.66

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Solution

The fourth proportional to 456,261.54, 629,615.79 and 252,300.66 is: 348,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,261.54 : 629,615.79 = 252,300.66 : x
  2. Step 2: Convert to fraction form
    456,261.54/629,615.79 = 252,300.66/x
  3. Step 3: Cross multiply
    456,261.54x = 629,615.79 × 252,300.66
  4. Step 4: Simplify right side
    456,261.54x = 158,852,479,363.42
  5. Step 5: Solve for x
    x = 158,852,479,363.42/456,261.54
  6. Step 6: Final answer
    x = 348,161.01

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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.