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Finding the Fourth Proportional to 475,436.73, 656,005.73 and 281,759.07

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Solution

The fourth proportional to 475,436.73, 656,005.73 and 281,759.07 is: 388,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,436.73 : 656,005.73 = 281,759.07 : x
  2. Step 2: Convert to fraction form
    475,436.73/656,005.73 = 281,759.07/x
  3. Step 3: Cross multiply
    475,436.73x = 656,005.73 × 281,759.07
  4. Step 4: Simplify right side
    475,436.73x = 184,835,562,990.68
  5. Step 5: Solve for x
    x = 184,835,562,990.68/475,436.73
  6. Step 6: Final answer
    x = 388,770.05

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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.