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Finding the Fourth Proportional to 582,480.72, 803,698.20 and 340,754.04

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Solution

The fourth proportional to 582,480.72, 803,698.20 and 340,754.04 is: 470,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,480.72 : 803,698.20 = 340,754.04 : x
  2. Step 2: Convert to fraction form
    582,480.72/803,698.20 = 340,754.04/x
  3. Step 3: Cross multiply
    582,480.72x = 803,698.20 × 340,754.04
  4. Step 4: Simplify right side
    582,480.72x = 273,863,408,590.73
  5. Step 5: Solve for x
    x = 273,863,408,590.73/582,480.72
  6. Step 6: Final answer
    x = 470,167.34

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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.