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Finding the Fourth Proportional to 575,995.70, 863,961.21 and 176,635.38

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Solution

The fourth proportional to 575,995.70, 863,961.21 and 176,635.38 is: 264,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,995.70 : 863,961.21 = 176,635.38 : x
  2. Step 2: Convert to fraction form
    575,995.70/863,961.21 = 176,635.38/x
  3. Step 3: Cross multiply
    575,995.70x = 863,961.21 × 176,635.38
  4. Step 4: Simplify right side
    575,995.70x = 152,606,115,750.43
  5. Step 5: Solve for x
    x = 152,606,115,750.43/575,995.70
  6. Step 6: Final answer
    x = 264,943.15

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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.