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Finding the Fourth Proportional to 563,692.32, 777,896.43 and 305,568.46

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Solution

The fourth proportional to 563,692.32, 777,896.43 and 305,568.46 is: 421,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,692.32 : 777,896.43 = 305,568.46 : x
  2. Step 2: Convert to fraction form
    563,692.32/777,896.43 = 305,568.46/x
  3. Step 3: Cross multiply
    563,692.32x = 777,896.43 × 305,568.46
  4. Step 4: Simplify right side
    563,692.32x = 237,700,614,154.60
  5. Step 5: Solve for x
    x = 237,700,614,154.60/563,692.32
  6. Step 6: Final answer
    x = 421,685.04

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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.