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Finding the Fourth Proportional to 306,061.34, 422,365.49 and 170,094.84

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Solution

The fourth proportional to 306,061.34, 422,365.49 and 170,094.84 is: 234,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,061.34 : 422,365.49 = 170,094.84 : x
  2. Step 2: Convert to fraction form
    306,061.34/422,365.49 = 170,094.84/x
  3. Step 3: Cross multiply
    306,061.34x = 422,365.49 × 170,094.84
  4. Step 4: Simplify right side
    306,061.34x = 71,842,188,646.58
  5. Step 5: Solve for x
    x = 71,842,188,646.58/306,061.34
  6. Step 6: Final answer
    x = 234,731.34

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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.