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Finding the Fourth Proportional to 294,379.60, 406,220.68 and 167,055.20

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Solution

The fourth proportional to 294,379.60, 406,220.68 and 167,055.20 is: 230,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,379.60 : 406,220.68 = 167,055.20 : x
  2. Step 2: Convert to fraction form
    294,379.60/406,220.68 = 167,055.20/x
  3. Step 3: Cross multiply
    294,379.60x = 406,220.68 × 167,055.20
  4. Step 4: Simplify right side
    294,379.60x = 67,861,276,941.54
  5. Step 5: Solve for x
    x = 67,861,276,941.54/294,379.60
  6. Step 6: Final answer
    x = 230,523.03

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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.