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Finding the Fourth Proportional to 536,705.20, 804,136.20 and 283,610.80

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Solution

The fourth proportional to 536,705.20, 804,136.20 and 283,610.80 is: 424,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,705.20 : 804,136.20 = 283,610.80 : x
  2. Step 2: Convert to fraction form
    536,705.20/804,136.20 = 283,610.80/x
  3. Step 3: Cross multiply
    536,705.20x = 804,136.20 × 283,610.80
  4. Step 4: Simplify right side
    536,705.20x = 228,061,710,990.96
  5. Step 5: Solve for x
    x = 228,061,710,990.96/536,705.20
  6. Step 6: Final answer
    x = 424,929.20

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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.