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Finding the Fourth Proportional to 576,172.60, 795,044.83 and 321,534.52

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Solution

The fourth proportional to 576,172.60, 795,044.83 and 321,534.52 is: 443,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,172.60 : 795,044.83 = 321,534.52 : x
  2. Step 2: Convert to fraction form
    576,172.60/795,044.83 = 321,534.52/x
  3. Step 3: Cross multiply
    576,172.60x = 795,044.83 × 321,534.52
  4. Step 4: Simplify right side
    576,172.60x = 255,634,357,792.53
  5. Step 5: Solve for x
    x = 255,634,357,792.53/576,172.60
  6. Step 6: Final answer
    x = 443,676.70

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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.