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Finding the Fourth Proportional to 345,523.79, 476,604.59 and 237,906.92

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Solution

The fourth proportional to 345,523.79, 476,604.59 and 237,906.92 is: 328,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,523.79 : 476,604.59 = 237,906.92 : x
  2. Step 2: Convert to fraction form
    345,523.79/476,604.59 = 237,906.92/x
  3. Step 3: Cross multiply
    345,523.79x = 476,604.59 × 237,906.92
  4. Step 4: Simplify right side
    345,523.79x = 113,387,526,492.21
  5. Step 5: Solve for x
    x = 113,387,526,492.21/345,523.79
  6. Step 6: Final answer
    x = 328,161.28

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1.5x scale

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.