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Finding the Fourth Proportional to 405,552.09, 608,505.96 and 192,473.90

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Solution

The fourth proportional to 405,552.09, 608,505.96 and 192,473.90 is: 288,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,552.09 : 608,505.96 = 192,473.90 : x
  2. Step 2: Convert to fraction form
    405,552.09/608,505.96 = 192,473.90/x
  3. Step 3: Cross multiply
    405,552.09x = 608,505.96 × 192,473.90
  4. Step 4: Simplify right side
    405,552.09x = 117,121,512,251.91
  5. Step 5: Solve for x
    x = 117,121,512,251.91/405,552.09
  6. Step 6: Final answer
    x = 288,795.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.