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Finding the Fourth Proportional to 337,583.04, 505,907.52 and 287,401.92

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Solution

The fourth proportional to 337,583.04, 505,907.52 and 287,401.92 is: 430,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,583.04 : 505,907.52 = 287,401.92 : x
  2. Step 2: Convert to fraction form
    337,583.04/505,907.52 = 287,401.92/x
  3. Step 3: Cross multiply
    337,583.04x = 505,907.52 × 287,401.92
  4. Step 4: Simplify right side
    337,583.04x = 145,398,792,590.44
  5. Step 5: Solve for x
    x = 145,398,792,590.44/337,583.04
  6. Step 6: Final answer
    x = 430,705.26

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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.