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Finding the Fourth Proportional to 582,504.82, 874,071.12 and 245,778.85

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Solution

The fourth proportional to 582,504.82, 874,071.12 and 245,778.85 is: 368,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,504.82 : 874,071.12 = 245,778.85 : x
  2. Step 2: Convert to fraction form
    582,504.82/874,071.12 = 245,778.85/x
  3. Step 3: Cross multiply
    582,504.82x = 874,071.12 × 245,778.85
  4. Step 4: Simplify right side
    582,504.82x = 214,828,194,691.81
  5. Step 5: Solve for x
    x = 214,828,194,691.81/582,504.82
  6. Step 6: Final answer
    x = 368,800.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.