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Finding the Fourth Proportional to 852,832, 1,177,011.84 and 495,136

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Solution

The fourth proportional to 852,832, 1,177,011.84 and 495,136 is: 683,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,832 : 1,177,011.84 = 495,136 : x
  2. Step 2: Convert to fraction form
    852,832/1,177,011.84 = 495,136/x
  3. Step 3: Cross multiply
    852,832x = 1,177,011.84 × 495,136
  4. Step 4: Simplify right side
    852,832x = 582,780,934,410.24
  5. Step 5: Solve for x
    x = 582,780,934,410.24/852,832
  6. Step 6: Final answer
    x = 683,347.87

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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.