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Finding the Fourth Proportional to 416,003.76, 574,035.75 and 234,705.09

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Solution

The fourth proportional to 416,003.76, 574,035.75 and 234,705.09 is: 323,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,003.76 : 574,035.75 = 234,705.09 : x
  2. Step 2: Convert to fraction form
    416,003.76/574,035.75 = 234,705.09/x
  3. Step 3: Cross multiply
    416,003.76x = 574,035.75 × 234,705.09
  4. Step 4: Simplify right side
    416,003.76x = 134,729,112,366.97
  5. Step 5: Solve for x
    x = 134,729,112,366.97/416,003.76
  6. Step 6: Final answer
    x = 323,865.13

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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.