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Finding the Fourth Proportional to 480,517.54, 663,128.06 and 265,671.46

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Solution

The fourth proportional to 480,517.54, 663,128.06 and 265,671.46 is: 366,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,517.54 : 663,128.06 = 265,671.46 : x
  2. Step 2: Convert to fraction form
    480,517.54/663,128.06 = 265,671.46/x
  3. Step 3: Cross multiply
    480,517.54x = 663,128.06 × 265,671.46
  4. Step 4: Simplify right side
    480,517.54x = 176,174,199,867.17
  5. Step 5: Solve for x
    x = 176,174,199,867.17/480,517.54
  6. Step 6: Final answer
    x = 366,634.27

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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.