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Finding the Fourth Proportional to 530,940.48, 732,692.16 and 304,621.44

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Solution

The fourth proportional to 530,940.48, 732,692.16 and 304,621.44 is: 420,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,940.48 : 732,692.16 = 304,621.44 : x
  2. Step 2: Convert to fraction form
    530,940.48/732,692.16 = 304,621.44/x
  3. Step 3: Cross multiply
    530,940.48x = 732,692.16 × 304,621.44
  4. Step 4: Simplify right side
    530,940.48x = 223,193,740,855.91
  5. Step 5: Solve for x
    x = 223,193,740,855.91/530,940.48
  6. Step 6: Final answer
    x = 420,374.32

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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.