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Finding the Fourth Proportional to 298,609.76, 412,081.46 and 164,473.76

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Solution

The fourth proportional to 298,609.76, 412,081.46 and 164,473.76 is: 226,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,609.76 : 412,081.46 = 164,473.76 : x
  2. Step 2: Convert to fraction form
    298,609.76/412,081.46 = 164,473.76/x
  3. Step 3: Cross multiply
    298,609.76x = 412,081.46 × 164,473.76
  4. Step 4: Simplify right side
    298,609.76x = 67,776,587,152.49
  5. Step 5: Solve for x
    x = 67,776,587,152.49/298,609.76
  6. Step 6: Final answer
    x = 226,973.78

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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.