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Finding the Fourth Proportional to 883,304.92, 1,324,771.62 and 284,319.64

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Solution

The fourth proportional to 883,304.92, 1,324,771.62 and 284,319.64 is: 426,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,304.92 : 1,324,771.62 = 284,319.64 : x
  2. Step 2: Convert to fraction form
    883,304.92/1,324,771.62 = 284,319.64/x
  3. Step 3: Cross multiply
    883,304.92x = 1,324,771.62 × 284,319.64
  4. Step 4: Simplify right side
    883,304.92x = 376,658,590,080.62
  5. Step 5: Solve for x
    x = 376,658,590,080.62/883,304.92
  6. Step 6: Final answer
    x = 426,419.67

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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.