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Finding the Fourth Proportional to 552,628.84, 827,858.52 and 286,563.28

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Solution

The fourth proportional to 552,628.84, 827,858.52 and 286,563.28 is: 429,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,628.84 : 827,858.52 = 286,563.28 : x
  2. Step 2: Convert to fraction form
    552,628.84/827,858.52 = 286,563.28/x
  3. Step 3: Cross multiply
    552,628.84x = 827,858.52 × 286,563.28
  4. Step 4: Simplify right side
    552,628.84x = 237,233,852,867.15
  5. Step 5: Solve for x
    x = 237,233,852,867.15/552,628.84
  6. Step 6: Final answer
    x = 429,282.43

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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.