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Finding the Fourth Proportional to 524,376.92, 786,398.63 and 169,308.36

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Solution

The fourth proportional to 524,376.92, 786,398.63 and 169,308.36 is: 253,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,376.92 : 786,398.63 = 169,308.36 : x
  2. Step 2: Convert to fraction form
    524,376.92/786,398.63 = 169,308.36/x
  3. Step 3: Cross multiply
    524,376.92x = 786,398.63 × 169,308.36
  4. Step 4: Simplify right side
    524,376.92x = 133,143,861,505.01
  5. Step 5: Solve for x
    x = 133,143,861,505.01/524,376.92
  6. Step 6: Final answer
    x = 253,908.70

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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.