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Finding the Fourth Proportional to 567,859.14, 852,313.59 and 287,573.22

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Solution

The fourth proportional to 567,859.14, 852,313.59 and 287,573.22 is: 431,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,859.14 : 852,313.59 = 287,573.22 : x
  2. Step 2: Convert to fraction form
    567,859.14/852,313.59 = 287,573.22/x
  3. Step 3: Cross multiply
    567,859.14x = 852,313.59 × 287,573.22
  4. Step 4: Simplify right side
    567,859.14x = 245,102,563,526.06
  5. Step 5: Solve for x
    x = 245,102,563,526.06/567,859.14
  6. Step 6: Final answer
    x = 431,625.64

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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.