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Finding the Fourth Proportional to 294,818.56, 406,849.76 and 167,494.40

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Solution

The fourth proportional to 294,818.56, 406,849.76 and 167,494.40 is: 231,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,818.56 : 406,849.76 = 167,494.40 : x
  2. Step 2: Convert to fraction form
    294,818.56/406,849.76 = 167,494.40/x
  3. Step 3: Cross multiply
    294,818.56x = 406,849.76 × 167,494.40
  4. Step 4: Simplify right side
    294,818.56x = 68,145,056,441.34
  5. Step 5: Solve for x
    x = 68,145,056,441.34/294,818.56
  6. Step 6: Final answer
    x = 231,142.36

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1.5x scale

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.