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Finding the Fourth Proportional to 575,753.08, 863,728.04 and 196,653

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Solution

The fourth proportional to 575,753.08, 863,728.04 and 196,653 is: 295,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,753.08 : 863,728.04 = 196,653 : x
  2. Step 2: Convert to fraction form
    575,753.08/863,728.04 = 196,653/x
  3. Step 3: Cross multiply
    575,753.08x = 863,728.04 × 196,653
  4. Step 4: Simplify right side
    575,753.08x = 169,854,710,250.12
  5. Step 5: Solve for x
    x = 169,854,710,250.12/575,753.08
  6. Step 6: Final answer
    x = 295,013.12

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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.