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Finding the Fourth Proportional to 306,010.74, 422,173.92 and 176,925.60

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Solution

The fourth proportional to 306,010.74, 422,173.92 and 176,925.60 is: 244,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,010.74 : 422,173.92 = 176,925.60 : x
  2. Step 2: Convert to fraction form
    306,010.74/422,173.92 = 176,925.60/x
  3. Step 3: Cross multiply
    306,010.74x = 422,173.92 × 176,925.60
  4. Step 4: Simplify right side
    306,010.74x = 74,693,374,763.82
  5. Step 5: Solve for x
    x = 74,693,374,763.82/306,010.74
  6. Step 6: Final answer
    x = 244,087.43

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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.