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Finding the Fourth Proportional to 400,149.23, 599,557.39 and 281,571.41

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Solution

The fourth proportional to 400,149.23, 599,557.39 and 281,571.41 is: 421,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,149.23 : 599,557.39 = 281,571.41 : x
  2. Step 2: Convert to fraction form
    400,149.23/599,557.39 = 281,571.41/x
  3. Step 3: Cross multiply
    400,149.23x = 599,557.39 × 281,571.41
  4. Step 4: Simplify right side
    400,149.23x = 168,818,220,473.19
  5. Step 5: Solve for x
    x = 168,818,220,473.19/400,149.23
  6. Step 6: Final answer
    x = 421,888.16

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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.