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Finding the Fourth Proportional to 545,692.82, 752,956.16 and 303,969.38

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Solution

The fourth proportional to 545,692.82, 752,956.16 and 303,969.38 is: 419,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,692.82 : 752,956.16 = 303,969.38 : x
  2. Step 2: Convert to fraction form
    545,692.82/752,956.16 = 303,969.38/x
  3. Step 3: Cross multiply
    545,692.82x = 752,956.16 × 303,969.38
  4. Step 4: Simplify right side
    545,692.82x = 228,875,611,837.75
  5. Step 5: Solve for x
    x = 228,875,611,837.75/545,692.82
  6. Step 6: Final answer
    x = 419,422.07

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1.5x scale

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.