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Finding the Fourth Proportional to 480,236.06, 662,765.67 and 265,418.06

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Solution

The fourth proportional to 480,236.06, 662,765.67 and 265,418.06 is: 366,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,236.06 : 662,765.67 = 265,418.06 : x
  2. Step 2: Convert to fraction form
    480,236.06/662,765.67 = 265,418.06/x
  3. Step 3: Cross multiply
    480,236.06x = 662,765.67 × 265,418.06
  4. Step 4: Simplify right side
    480,236.06x = 175,909,978,366.00
  5. Step 5: Solve for x
    x = 175,909,978,366.00/480,236.06
  6. Step 6: Final answer
    x = 366,298.98

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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.