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Finding the Fourth Proportional to 575,372.24, 863,057.13 and 154,648.12

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Solution

The fourth proportional to 575,372.24, 863,057.13 and 154,648.12 is: 231,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,372.24 : 863,057.13 = 154,648.12 : x
  2. Step 2: Convert to fraction form
    575,372.24/863,057.13 = 154,648.12/x
  3. Step 3: Cross multiply
    575,372.24x = 863,057.13 × 154,648.12
  4. Step 4: Simplify right side
    575,372.24x = 133,470,162,607.10
  5. Step 5: Solve for x
    x = 133,470,162,607.10/575,372.24
  6. Step 6: Final answer
    x = 231,971.85

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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.