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Finding the Fourth Proportional to 456,395.88, 629,749.98 and 265,417.32

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Solution

The fourth proportional to 456,395.88, 629,749.98 and 265,417.32 is: 366,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,395.88 : 629,749.98 = 265,417.32 : x
  2. Step 2: Convert to fraction form
    456,395.88/629,749.98 = 265,417.32/x
  3. Step 3: Cross multiply
    456,395.88x = 629,749.98 × 265,417.32
  4. Step 4: Simplify right side
    456,395.88x = 167,146,551,961.65
  5. Step 5: Solve for x
    x = 167,146,551,961.65/456,395.88
  6. Step 6: Final answer
    x = 366,231.51

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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.