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Finding the Fourth Proportional to 576,611.30, 795,718.84 and 314,966.82

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Solution

The fourth proportional to 576,611.30, 795,718.84 and 314,966.82 is: 434,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,611.30 : 795,718.84 = 314,966.82 : x
  2. Step 2: Convert to fraction form
    576,611.30/795,718.84 = 314,966.82/x
  3. Step 3: Cross multiply
    576,611.30x = 795,718.84 × 314,966.82
  4. Step 4: Simplify right side
    576,611.30x = 250,625,032,648.89
  5. Step 5: Solve for x
    x = 250,625,032,648.89/576,611.30
  6. Step 6: Final answer
    x = 434,651.61

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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.