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Finding the Fourth Proportional to 617,028.96, 924,487.20 and 336,743.04

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Solution

The fourth proportional to 617,028.96, 924,487.20 and 336,743.04 is: 504,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,028.96 : 924,487.20 = 336,743.04 : x
  2. Step 2: Convert to fraction form
    617,028.96/924,487.20 = 336,743.04/x
  3. Step 3: Cross multiply
    617,028.96x = 924,487.20 × 336,743.04
  4. Step 4: Simplify right side
    617,028.96x = 311,314,630,169.09
  5. Step 5: Solve for x
    x = 311,314,630,169.09/617,028.96
  6. Step 6: Final answer
    x = 504,538.12

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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.