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Finding the Fourth Proportional to 322,467.88, 482,485.02 and 289,727.08

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Solution

The fourth proportional to 322,467.88, 482,485.02 and 289,727.08 is: 433,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,467.88 : 482,485.02 = 289,727.08 : x
  2. Step 2: Convert to fraction form
    322,467.88/482,485.02 = 289,727.08/x
  3. Step 3: Cross multiply
    322,467.88x = 482,485.02 × 289,727.08
  4. Step 4: Simplify right side
    322,467.88x = 139,788,975,988.34
  5. Step 5: Solve for x
    x = 139,788,975,988.34/322,467.88
  6. Step 6: Final answer
    x = 433,497.36

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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.