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Finding the Fourth Proportional to 600,628.29, 828,960.24 and 342,505.79

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Solution

The fourth proportional to 600,628.29, 828,960.24 and 342,505.79 is: 472,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,628.29 : 828,960.24 = 342,505.79 : x
  2. Step 2: Convert to fraction form
    600,628.29/828,960.24 = 342,505.79/x
  3. Step 3: Cross multiply
    600,628.29x = 828,960.24 × 342,505.79
  4. Step 4: Simplify right side
    600,628.29x = 283,923,681,879.79
  5. Step 5: Solve for x
    x = 283,923,681,879.79/600,628.29
  6. Step 6: Final answer
    x = 472,711.14

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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.