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Finding the Fourth Proportional to 595,309.52, 821,212.18 and 377,133.30

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Solution

The fourth proportional to 595,309.52, 821,212.18 and 377,133.30 is: 520,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,309.52 : 821,212.18 = 377,133.30 : x
  2. Step 2: Convert to fraction form
    595,309.52/821,212.18 = 377,133.30/x
  3. Step 3: Cross multiply
    595,309.52x = 821,212.18 × 377,133.30
  4. Step 4: Simplify right side
    595,309.52x = 309,706,458,500.76
  5. Step 5: Solve for x
    x = 309,706,458,500.76/595,309.52
  6. Step 6: Final answer
    x = 520,244.42

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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.