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Finding the Fourth Proportional to 374,443.80, 560,499.30 and 269,467.80

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Solution

The fourth proportional to 374,443.80, 560,499.30 and 269,467.80 is: 403,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,443.80 : 560,499.30 = 269,467.80 : x
  2. Step 2: Convert to fraction form
    374,443.80/560,499.30 = 269,467.80/x
  3. Step 3: Cross multiply
    374,443.80x = 560,499.30 × 269,467.80
  4. Step 4: Simplify right side
    374,443.80x = 151,036,513,272.54
  5. Step 5: Solve for x
    x = 151,036,513,272.54/374,443.80
  6. Step 6: Final answer
    x = 403,362.30

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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.