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Finding the Fourth Proportional to 545,692.07, 752,955.12 and 303,968.63

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Solution

The fourth proportional to 545,692.07, 752,955.12 and 303,968.63 is: 419,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,692.07 : 752,955.12 = 303,968.63 : x
  2. Step 2: Convert to fraction form
    545,692.07/752,955.12 = 303,968.63/x
  3. Step 3: Cross multiply
    545,692.07x = 752,955.12 × 303,968.63
  4. Step 4: Simplify right side
    545,692.07x = 228,874,732,513.11
  5. Step 5: Solve for x
    x = 228,874,732,513.11/545,692.07
  6. Step 6: Final answer
    x = 419,421.04

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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.