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Finding the Fourth Proportional to 576,323.06, 795,293.40 and 321,690.62

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Solution

The fourth proportional to 576,323.06, 795,293.40 and 321,690.62 is: 443,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,323.06 : 795,293.40 = 321,690.62 : x
  2. Step 2: Convert to fraction form
    576,323.06/795,293.40 = 321,690.62/x
  3. Step 3: Cross multiply
    576,323.06x = 795,293.40 × 321,690.62
  4. Step 4: Simplify right side
    576,323.06x = 255,838,426,927.91
  5. Step 5: Solve for x
    x = 255,838,426,927.91/576,323.06
  6. Step 6: Final answer
    x = 443,914.96

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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.