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Finding the Fourth Proportional to 552,692.80, 829,039.20 and 493,595.20

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Solution

The fourth proportional to 552,692.80, 829,039.20 and 493,595.20 is: 740,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,692.80 : 829,039.20 = 493,595.20 : x
  2. Step 2: Convert to fraction form
    552,692.80/829,039.20 = 493,595.20/x
  3. Step 3: Cross multiply
    552,692.80x = 829,039.20 × 493,595.20
  4. Step 4: Simplify right side
    552,692.80x = 409,209,769,731.84
  5. Step 5: Solve for x
    x = 409,209,769,731.84/552,692.80
  6. Step 6: Final answer
    x = 740,392.80

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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.