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Finding the Fourth Proportional to 480,422.88, 662,983.36 and 265,563.04

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Solution

The fourth proportional to 480,422.88, 662,983.36 and 265,563.04 is: 366,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,422.88 : 662,983.36 = 265,563.04 : x
  2. Step 2: Convert to fraction form
    480,422.88/662,983.36 = 265,563.04/x
  3. Step 3: Cross multiply
    480,422.88x = 662,983.36 × 265,563.04
  4. Step 4: Simplify right side
    480,422.88x = 176,063,876,551.01
  5. Step 5: Solve for x
    x = 176,063,876,551.01/480,422.88
  6. Step 6: Final answer
    x = 366,476.88

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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.