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Finding the Fourth Proportional to 524,571.57, 786,838.68 and 169,576.29

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Solution

The fourth proportional to 524,571.57, 786,838.68 and 169,576.29 is: 254,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,571.57 : 786,838.68 = 169,576.29 : x
  2. Step 2: Convert to fraction form
    524,571.57/786,838.68 = 169,576.29/x
  3. Step 3: Cross multiply
    524,571.57x = 786,838.68 × 169,576.29
  4. Step 4: Simplify right side
    524,571.57x = 133,429,184,182.90
  5. Step 5: Solve for x
    x = 133,429,184,182.90/524,571.57
  6. Step 6: Final answer
    x = 254,358.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.