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Finding the Fourth Proportional to 585,290.88, 807,766.92 and 330,658.44

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Solution

The fourth proportional to 585,290.88, 807,766.92 and 330,658.44 is: 456,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,290.88 : 807,766.92 = 330,658.44 : x
  2. Step 2: Convert to fraction form
    585,290.88/807,766.92 = 330,658.44/x
  3. Step 3: Cross multiply
    585,290.88x = 807,766.92 × 330,658.44
  4. Step 4: Simplify right side
    585,290.88x = 267,094,949,650.81
  5. Step 5: Solve for x
    x = 267,094,949,650.81/585,290.88
  6. Step 6: Final answer
    x = 456,345.65

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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.