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Finding the Fourth Proportional to 595,122.16, 820,905.96 and 353,241.04

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Solution

The fourth proportional to 595,122.16, 820,905.96 and 353,241.04 is: 487,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,122.16 : 820,905.96 = 353,241.04 : x
  2. Step 2: Convert to fraction form
    595,122.16/820,905.96 = 353,241.04/x
  3. Step 3: Cross multiply
    595,122.16x = 820,905.96 × 353,241.04
  4. Step 4: Simplify right side
    595,122.16x = 289,977,675,052.60
  5. Step 5: Solve for x
    x = 289,977,675,052.60/595,122.16
  6. Step 6: Final answer
    x = 487,257.40

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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.