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Finding the Fourth Proportional to 536,616.20, 804,002.70 and 283,521.80

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Solution

The fourth proportional to 536,616.20, 804,002.70 and 283,521.80 is: 424,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,616.20 : 804,002.70 = 283,521.80 : x
  2. Step 2: Convert to fraction form
    536,616.20/804,002.70 = 283,521.80/x
  3. Step 3: Cross multiply
    536,616.20x = 804,002.70 × 283,521.80
  4. Step 4: Simplify right side
    536,616.20x = 227,952,292,708.86
  5. Step 5: Solve for x
    x = 227,952,292,708.86/536,616.20
  6. Step 6: Final answer
    x = 424,795.77

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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.