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Finding the Fourth Proportional to 576,492.80, 795,558.04 and 321,841.76

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Solution

The fourth proportional to 576,492.80, 795,558.04 and 321,841.76 is: 444,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,492.80 : 795,558.04 = 321,841.76 : x
  2. Step 2: Convert to fraction form
    576,492.80/795,558.04 = 321,841.76/x
  3. Step 3: Cross multiply
    576,492.80x = 795,558.04 × 321,841.76
  4. Step 4: Simplify right side
    576,492.80x = 256,043,799,775.75
  5. Step 5: Solve for x
    x = 256,043,799,775.75/576,492.80
  6. Step 6: Final answer
    x = 444,140.50

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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.