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Finding the Fourth Proportional to 480,738.14, 663,407.31 and 265,873.59

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Solution

The fourth proportional to 480,738.14, 663,407.31 and 265,873.59 is: 366,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,738.14 : 663,407.31 = 265,873.59 : x
  2. Step 2: Convert to fraction form
    480,738.14/663,407.31 = 265,873.59/x
  3. Step 3: Cross multiply
    480,738.14x = 663,407.31 × 265,873.59
  4. Step 4: Simplify right side
    480,738.14x = 176,382,484,138.97
  5. Step 5: Solve for x
    x = 176,382,484,138.97/480,738.14
  6. Step 6: Final answer
    x = 366,899.29

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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.