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Finding the Fourth Proportional to 600,553.43, 828,738.97 and 358,969.21

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Solution

The fourth proportional to 600,553.43, 828,738.97 and 358,969.21 is: 495,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,553.43 : 828,738.97 = 358,969.21 : x
  2. Step 2: Convert to fraction form
    600,553.43/828,738.97 = 358,969.21/x
  3. Step 3: Cross multiply
    600,553.43x = 828,738.97 × 358,969.21
  4. Step 4: Simplify right side
    600,553.43x = 297,491,773,357.11
  5. Step 5: Solve for x
    x = 297,491,773,357.11/600,553.43
  6. Step 6: Final answer
    x = 495,362.71

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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.