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Finding the Fourth Proportional to 282,321.46, 421,451.42 and 241,905.24

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Solution

The fourth proportional to 282,321.46, 421,451.42 and 241,905.24 is: 361,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,321.46 : 421,451.42 = 241,905.24 : x
  2. Step 2: Convert to fraction form
    282,321.46/421,451.42 = 241,905.24/x
  3. Step 3: Cross multiply
    282,321.46x = 421,451.42 × 241,905.24
  4. Step 4: Simplify right side
    282,321.46x = 101,951,307,054.63
  5. Step 5: Solve for x
    x = 101,951,307,054.63/282,321.46
  6. Step 6: Final answer
    x = 361,117.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.