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Finding the Fourth Proportional to 624,554.85, 936,692.08 and 287,271.52

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Solution

The fourth proportional to 624,554.85, 936,692.08 and 287,271.52 is: 430,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,554.85 : 936,692.08 = 287,271.52 : x
  2. Step 2: Convert to fraction form
    624,554.85/936,692.08 = 287,271.52/x
  3. Step 3: Cross multiply
    624,554.85x = 936,692.08 × 287,271.52
  4. Step 4: Simplify right side
    624,554.85x = 269,084,957,593.56
  5. Step 5: Solve for x
    x = 269,084,957,593.56/624,554.85
  6. Step 6: Final answer
    x = 430,842.80

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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.