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Finding the Fourth Proportional to 294,803.46, 406,830.12 and 167,486.04

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Solution

The fourth proportional to 294,803.46, 406,830.12 and 167,486.04 is: 231,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,803.46 : 406,830.12 = 167,486.04 : x
  2. Step 2: Convert to fraction form
    294,803.46/406,830.12 = 167,486.04/x
  3. Step 3: Cross multiply
    294,803.46x = 406,830.12 × 167,486.04
  4. Step 4: Simplify right side
    294,803.46x = 68,138,365,751.52
  5. Step 5: Solve for x
    x = 68,138,365,751.52/294,803.46
  6. Step 6: Final answer
    x = 231,131.50

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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.