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Finding the Fourth Proportional to 618,118.92, 852,946.74 and 349,846.92

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Solution

The fourth proportional to 618,118.92, 852,946.74 and 349,846.92 is: 482,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,118.92 : 852,946.74 = 349,846.92 : x
  2. Step 2: Convert to fraction form
    618,118.92/852,946.74 = 349,846.92/x
  3. Step 3: Cross multiply
    618,118.92x = 852,946.74 × 349,846.92
  4. Step 4: Simplify right side
    618,118.92x = 298,400,789,913.04
  5. Step 5: Solve for x
    x = 298,400,789,913.04/618,118.92
  6. Step 6: Final answer
    x = 482,756.28

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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.