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Finding the Fourth Proportional to 883,424.40, 1,324,845 and 284,242.32

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Solution

The fourth proportional to 883,424.40, 1,324,845 and 284,242.32 is: 426,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,424.40 : 1,324,845 = 284,242.32 : x
  2. Step 2: Convert to fraction form
    883,424.40/1,324,845 = 284,242.32/x
  3. Step 3: Cross multiply
    883,424.40x = 1,324,845 × 284,242.32
  4. Step 4: Simplify right side
    883,424.40x = 376,577,016,440.40
  5. Step 5: Solve for x
    x = 376,577,016,440.40/883,424.40
  6. Step 6: Final answer
    x = 426,269.66

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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.