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Finding the Fourth Proportional to 480,714.54, 663,312.36 and 276,726.04

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Solution

The fourth proportional to 480,714.54, 663,312.36 and 276,726.04 is: 381,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,714.54 : 663,312.36 = 276,726.04 : x
  2. Step 2: Convert to fraction form
    480,714.54/663,312.36 = 276,726.04/x
  3. Step 3: Cross multiply
    480,714.54x = 663,312.36 × 276,726.04
  4. Step 4: Simplify right side
    480,714.54x = 183,555,802,665.85
  5. Step 5: Solve for x
    x = 183,555,802,665.85/480,714.54
  6. Step 6: Final answer
    x = 381,839.51

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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.