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Finding the Fourth Proportional to 294,666.96, 406,643.20 and 167,343.46

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Solution

The fourth proportional to 294,666.96, 406,643.20 and 167,343.46 is: 230,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,666.96 : 406,643.20 = 167,343.46 : x
  2. Step 2: Convert to fraction form
    294,666.96/406,643.20 = 167,343.46/x
  3. Step 3: Cross multiply
    294,666.96x = 406,643.20 × 167,343.46
  4. Step 4: Simplify right side
    294,666.96x = 68,049,080,073.47
  5. Step 5: Solve for x
    x = 68,049,080,073.47/294,666.96
  6. Step 6: Final answer
    x = 230,935.56

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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.