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Finding the Fourth Proportional to 535,692.45, 803,538.69 and 417,452.31

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Solution

The fourth proportional to 535,692.45, 803,538.69 and 417,452.31 is: 626,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,692.45 : 803,538.69 = 417,452.31 : x
  2. Step 2: Convert to fraction form
    535,692.45/803,538.69 = 417,452.31/x
  3. Step 3: Cross multiply
    535,692.45x = 803,538.69 × 417,452.31
  4. Step 4: Simplify right side
    535,692.45x = 335,439,082,314.87
  5. Step 5: Solve for x
    x = 335,439,082,314.87/535,692.45
  6. Step 6: Final answer
    x = 626,178.48

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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.