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Finding the Fourth Proportional to 536,615.60, 804,001.80 and 349,530.80

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Solution

The fourth proportional to 536,615.60, 804,001.80 and 349,530.80 is: 523,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,615.60 : 804,001.80 = 349,530.80 : x
  2. Step 2: Convert to fraction form
    536,615.60/804,001.80 = 349,530.80/x
  3. Step 3: Cross multiply
    536,615.60x = 804,001.80 × 349,530.80
  4. Step 4: Simplify right side
    536,615.60x = 281,023,392,355.44
  5. Step 5: Solve for x
    x = 281,023,392,355.44/536,615.60
  6. Step 6: Final answer
    x = 523,695.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.