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Finding the Fourth Proportional to 508,376.16, 701,591.94 and 282,021.84

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Solution

The fourth proportional to 508,376.16, 701,591.94 and 282,021.84 is: 389,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,376.16 : 701,591.94 = 282,021.84 : x
  2. Step 2: Convert to fraction form
    508,376.16/701,591.94 = 282,021.84/x
  3. Step 3: Cross multiply
    508,376.16x = 701,591.94 × 282,021.84
  4. Step 4: Simplify right side
    508,376.16x = 197,864,249,847.97
  5. Step 5: Solve for x
    x = 197,864,249,847.97/508,376.16
  6. Step 6: Final answer
    x = 389,208.36

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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.