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Finding the Fourth Proportional to 609,117.52, 914,574.47 and 339,771.92

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Solution

The fourth proportional to 609,117.52, 914,574.47 and 339,771.92 is: 510,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,117.52 : 914,574.47 = 339,771.92 : x
  2. Step 2: Convert to fraction form
    609,117.52/914,574.47 = 339,771.92/x
  3. Step 3: Cross multiply
    609,117.52x = 914,574.47 × 339,771.92
  4. Step 4: Simplify right side
    609,117.52x = 310,746,723,654.88
  5. Step 5: Solve for x
    x = 310,746,723,654.88/609,117.52
  6. Step 6: Final answer
    x = 510,158.90

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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.