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Finding the Fourth Proportional to 575,264.92, 862,923.30 and 220,186.84

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Solution

The fourth proportional to 575,264.92, 862,923.30 and 220,186.84 is: 330,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,264.92 : 862,923.30 = 220,186.84 : x
  2. Step 2: Convert to fraction form
    575,264.92/862,923.30 = 220,186.84/x
  3. Step 3: Cross multiply
    575,264.92x = 862,923.30 × 220,186.84
  4. Step 4: Simplify right side
    575,264.92x = 190,004,354,589.37
  5. Step 5: Solve for x
    x = 190,004,354,589.37/575,264.92
  6. Step 6: Final answer
    x = 330,290.18

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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.