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Finding the Fourth Proportional to 294,806.34, 406,834.29 and 167,489.22

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Solution

The fourth proportional to 294,806.34, 406,834.29 and 167,489.22 is: 231,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,806.34 : 406,834.29 = 167,489.22 : x
  2. Step 2: Convert to fraction form
    294,806.34/406,834.29 = 167,489.22/x
  3. Step 3: Cross multiply
    294,806.34x = 406,834.29 × 167,489.22
  4. Step 4: Simplify right side
    294,806.34x = 68,140,357,901.35
  5. Step 5: Solve for x
    x = 68,140,357,901.35/294,806.34
  6. Step 6: Final answer
    x = 231,136.00

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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.