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Finding the Fourth Proportional to 575,319.14, 863,189.10 and 267,717.81

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Solution

The fourth proportional to 575,319.14, 863,189.10 and 267,717.81 is: 401,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,319.14 : 863,189.10 = 267,717.81 : x
  2. Step 2: Convert to fraction form
    575,319.14/863,189.10 = 267,717.81/x
  3. Step 3: Cross multiply
    575,319.14x = 863,189.10 × 267,717.81
  4. Step 4: Simplify right side
    575,319.14x = 231,091,095,467.87
  5. Step 5: Solve for x
    x = 231,091,095,467.87/575,319.14
  6. Step 6: Final answer
    x = 401,674.62

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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.