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Finding the Fourth Proportional to 294,995.92, 407,090.56 and 167,663.12

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Solution

The fourth proportional to 294,995.92, 407,090.56 and 167,663.12 is: 231,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,995.92 : 407,090.56 = 167,663.12 : x
  2. Step 2: Convert to fraction form
    294,995.92/407,090.56 = 167,663.12/x
  3. Step 3: Cross multiply
    294,995.92x = 407,090.56 × 167,663.12
  4. Step 4: Simplify right side
    294,995.92x = 68,254,073,412.15
  5. Step 5: Solve for x
    x = 68,254,073,412.15/294,995.92
  6. Step 6: Final answer
    x = 231,372.94

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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.