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Finding the Fourth Proportional to 294,803.45, 406,830.11 and 167,486.03

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Solution

The fourth proportional to 294,803.45, 406,830.11 and 167,486.03 is: 231,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,803.45 : 406,830.11 = 167,486.03 : x
  2. Step 2: Convert to fraction form
    294,803.45/406,830.11 = 167,486.03/x
  3. Step 3: Cross multiply
    294,803.45x = 406,830.11 × 167,486.03
  4. Step 4: Simplify right side
    294,803.45x = 68,138,360,008.36
  5. Step 5: Solve for x
    x = 68,138,360,008.36/294,803.45
  6. Step 6: Final answer
    x = 231,131.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.