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Finding the Fourth Proportional to 524,029.29, 786,043.52 and 169,043.29

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Solution

The fourth proportional to 524,029.29, 786,043.52 and 169,043.29 is: 253,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,029.29 : 786,043.52 = 169,043.29 : x
  2. Step 2: Convert to fraction form
    524,029.29/786,043.52 = 169,043.29/x
  3. Step 3: Cross multiply
    524,029.29x = 786,043.52 × 169,043.29
  4. Step 4: Simplify right side
    524,029.29x = 132,875,382,703.98
  5. Step 5: Solve for x
    x = 132,875,382,703.98/524,029.29
  6. Step 6: Final answer
    x = 253,564.80

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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.