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Finding the Fourth Proportional to 480,231.51, 662,719.72 and 265,371.58

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Solution

The fourth proportional to 480,231.51, 662,719.72 and 265,371.58 is: 366,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,231.51 : 662,719.72 = 265,371.58 : x
  2. Step 2: Convert to fraction form
    480,231.51/662,719.72 = 265,371.58/x
  3. Step 3: Cross multiply
    480,231.51x = 662,719.72 × 265,371.58
  4. Step 4: Simplify right side
    480,231.51x = 175,866,976,625.87
  5. Step 5: Solve for x
    x = 175,866,976,625.87/480,231.51
  6. Step 6: Final answer
    x = 366,212.91

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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.