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Finding the Fourth Proportional to 312,244.92, 430,897.65 and 169,004.73

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Solution

The fourth proportional to 312,244.92, 430,897.65 and 169,004.73 is: 233,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,244.92 : 430,897.65 = 169,004.73 : x
  2. Step 2: Convert to fraction form
    312,244.92/430,897.65 = 169,004.73/x
  3. Step 3: Cross multiply
    312,244.92x = 430,897.65 × 169,004.73
  4. Step 4: Simplify right side
    312,244.92x = 72,823,740,995.88
  5. Step 5: Solve for x
    x = 72,823,740,995.88/312,244.92
  6. Step 6: Final answer
    x = 233,226.34

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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.