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Finding the Fourth Proportional to 568,362.40, 852,229.60 and 357,549.28

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Solution

The fourth proportional to 568,362.40, 852,229.60 and 357,549.28 is: 536,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,362.40 : 852,229.60 = 357,549.28 : x
  2. Step 2: Convert to fraction form
    568,362.40/852,229.60 = 357,549.28/x
  3. Step 3: Cross multiply
    568,362.40x = 852,229.60 × 357,549.28
  4. Step 4: Simplify right side
    568,362.40x = 304,714,079,874.69
  5. Step 5: Solve for x
    x = 304,714,079,874.69/568,362.40
  6. Step 6: Final answer
    x = 536,126.39

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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.