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Finding the Fourth Proportional to 536,613.60, 803,998.80 and 349,528.80

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Solution

The fourth proportional to 536,613.60, 803,998.80 and 349,528.80 is: 523,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,613.60 : 803,998.80 = 349,528.80 : x
  2. Step 2: Convert to fraction form
    536,613.60/803,998.80 = 349,528.80/x
  3. Step 3: Cross multiply
    536,613.60x = 803,998.80 × 349,528.80
  4. Step 4: Simplify right side
    536,613.60x = 281,020,735,765.44
  5. Step 5: Solve for x
    x = 281,020,735,765.44/536,613.60
  6. Step 6: Final answer
    x = 523,692.91

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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.