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Finding the Fourth Proportional to 553,692.28, 829,890.52 and 254,201.77

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Solution

The fourth proportional to 553,692.28, 829,890.52 and 254,201.77 is: 381,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,692.28 : 829,890.52 = 254,201.77 : x
  2. Step 2: Convert to fraction form
    553,692.28/829,890.52 = 254,201.77/x
  3. Step 3: Cross multiply
    553,692.28x = 829,890.52 × 254,201.77
  4. Step 4: Simplify right side
    553,692.28x = 210,959,639,090.22
  5. Step 5: Solve for x
    x = 210,959,639,090.22/553,692.28
  6. Step 6: Final answer
    x = 381,005.20

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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.