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Finding the Fourth Proportional to 456,117.65, 629,542.28 and 265,241.15

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Solution

The fourth proportional to 456,117.65, 629,542.28 and 265,241.15 is: 366,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,117.65 : 629,542.28 = 265,241.15 : x
  2. Step 2: Convert to fraction form
    456,117.65/629,542.28 = 265,241.15/x
  3. Step 3: Cross multiply
    456,117.65x = 629,542.28 × 265,241.15
  4. Step 4: Simplify right side
    456,117.65x = 166,980,520,557.78
  5. Step 5: Solve for x
    x = 166,980,520,557.78/456,117.65
  6. Step 6: Final answer
    x = 366,090.90

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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.