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Finding the Fourth Proportional to 496,328.01, 744,623.22 and 259,607.13

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Solution

The fourth proportional to 496,328.01, 744,623.22 and 259,607.13 is: 389,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,328.01 : 744,623.22 = 259,607.13 : x
  2. Step 2: Convert to fraction form
    496,328.01/744,623.22 = 259,607.13/x
  3. Step 3: Cross multiply
    496,328.01x = 744,623.22 × 259,607.13
  4. Step 4: Simplify right side
    496,328.01x = 193,309,497,075.56
  5. Step 5: Solve for x
    x = 193,309,497,075.56/496,328.01
  6. Step 6: Final answer
    x = 389,479.32

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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.