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Finding the Fourth Proportional to 568,516.40, 852,696.92 and 169,218.80

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Solution

The fourth proportional to 568,516.40, 852,696.92 and 169,218.80 is: 253,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,516.40 : 852,696.92 = 169,218.80 : x
  2. Step 2: Convert to fraction form
    568,516.40/852,696.92 = 169,218.80/x
  3. Step 3: Cross multiply
    568,516.40x = 852,696.92 × 169,218.80
  4. Step 4: Simplify right side
    568,516.40x = 144,292,349,566.10
  5. Step 5: Solve for x
    x = 144,292,349,566.10/568,516.40
  6. Step 6: Final answer
    x = 253,805.08

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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.