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Finding the Fourth Proportional to 575,381.38, 863,040.75 and 176,022.13

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Solution

The fourth proportional to 575,381.38, 863,040.75 and 176,022.13 is: 264,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,381.38 : 863,040.75 = 176,022.13 : x
  2. Step 2: Convert to fraction form
    575,381.38/863,040.75 = 176,022.13/x
  3. Step 3: Cross multiply
    575,381.38x = 863,040.75 × 176,022.13
  4. Step 4: Simplify right side
    575,381.38x = 151,914,271,091.80
  5. Step 5: Solve for x
    x = 151,914,271,091.80/575,381.38
  6. Step 6: Final answer
    x = 264,023.61

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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.