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Finding the Fourth Proportional to 294,336.60, 406,185.30 and 167,011.86

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Solution

The fourth proportional to 294,336.60, 406,185.30 and 167,011.86 is: 230,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,336.60 : 406,185.30 = 167,011.86 : x
  2. Step 2: Convert to fraction form
    294,336.60/406,185.30 = 167,011.86/x
  3. Step 3: Cross multiply
    294,336.60x = 406,185.30 × 167,011.86
  4. Step 4: Simplify right side
    294,336.60x = 67,837,762,457.66
  5. Step 5: Solve for x
    x = 67,837,762,457.66/294,336.60
  6. Step 6: Final answer
    x = 230,476.82

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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.