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Finding the Fourth Proportional to 442,292.90, 662,466.89 and 365,521.37

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Solution

The fourth proportional to 442,292.90, 662,466.89 and 365,521.37 is: 547,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,292.90 : 662,466.89 = 365,521.37 : x
  2. Step 2: Convert to fraction form
    442,292.90/662,466.89 = 365,521.37/x
  3. Step 3: Cross multiply
    442,292.90x = 662,466.89 × 365,521.37
  4. Step 4: Simplify right side
    442,292.90x = 242,145,805,212.44
  5. Step 5: Solve for x
    x = 242,145,805,212.44/442,292.90
  6. Step 6: Final answer
    x = 547,478.39

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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.