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Finding the Fourth Proportional to 504,692.37, 696,427.07 and 278,323.29

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Solution

The fourth proportional to 504,692.37, 696,427.07 and 278,323.29 is: 384,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,692.37 : 696,427.07 = 278,323.29 : x
  2. Step 2: Convert to fraction form
    504,692.37/696,427.07 = 278,323.29/x
  3. Step 3: Cross multiply
    504,692.37x = 696,427.07 × 278,323.29
  4. Step 4: Simplify right side
    504,692.37x = 193,831,871,975.84
  5. Step 5: Solve for x
    x = 193,831,871,975.84/504,692.37
  6. Step 6: Final answer
    x = 384,059.45

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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.