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Finding the Fourth Proportional to 576,435.84, 795,468.24 and 321,810.72

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Solution

The fourth proportional to 576,435.84, 795,468.24 and 321,810.72 is: 444,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,435.84 : 795,468.24 = 321,810.72 : x
  2. Step 2: Convert to fraction form
    576,435.84/795,468.24 = 321,810.72/x
  3. Step 3: Cross multiply
    576,435.84x = 795,468.24 × 321,810.72
  4. Step 4: Simplify right side
    576,435.84x = 255,990,207,051.53
  5. Step 5: Solve for x
    x = 255,990,207,051.53/576,435.84
  6. Step 6: Final answer
    x = 444,091.41

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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.