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Finding the Fourth Proportional to 568,112.45, 853,303.62 and 355,259.03

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Solution

The fourth proportional to 568,112.45, 853,303.62 and 355,259.03 is: 533,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,112.45 : 853,303.62 = 355,259.03 : x
  2. Step 2: Convert to fraction form
    568,112.45/853,303.62 = 355,259.03/x
  3. Step 3: Cross multiply
    568,112.45x = 853,303.62 × 355,259.03
  4. Step 4: Simplify right side
    568,112.45x = 303,143,816,336.69
  5. Step 5: Solve for x
    x = 303,143,816,336.69/568,112.45
  6. Step 6: Final answer
    x = 533,598.26

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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.