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Finding the Fourth Proportional to 568,125.90, 852,486.93 and 213,384.78

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Solution

The fourth proportional to 568,125.90, 852,486.93 and 213,384.78 is: 320,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,125.90 : 852,486.93 = 213,384.78 : x
  2. Step 2: Convert to fraction form
    568,125.90/852,486.93 = 213,384.78/x
  3. Step 3: Cross multiply
    568,125.90x = 852,486.93 × 213,384.78
  4. Step 4: Simplify right side
    568,125.90x = 181,907,736,010.93
  5. Step 5: Solve for x
    x = 181,907,736,010.93/568,125.90
  6. Step 6: Final answer
    x = 320,189.13

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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.