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Finding the Fourth Proportional to 448,483.85, 673,041.00 and 405,605.27

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Solution

The fourth proportional to 448,483.85, 673,041.00 and 405,605.27 is: 608,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,483.85 : 673,041.00 = 405,605.27 : x
  2. Step 2: Convert to fraction form
    448,483.85/673,041.00 = 405,605.27/x
  3. Step 3: Cross multiply
    448,483.85x = 673,041.00 × 405,605.27
  4. Step 4: Simplify right side
    448,483.85x = 272,988,973,662.31
  5. Step 5: Solve for x
    x = 272,988,973,662.31/448,483.85
  6. Step 6: Final answer
    x = 608,692.99

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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.